ELECOM EX-G Trackball Mouse
4.2Editor score
Compact thumb-operated design
Wireless 2.4GHz connection
Adjustable cursor sensitivity
In this guide
An Elecom trackball mouse replaces the need to move a conventional mouse across a desk, helping the cursor travel while your hand remains relaxed around the ball. The right model depends on finger or thumb operation, ball diameter, connection method, button layout, operating system, and the size and shape of your hand.
This guide compares ten Elecom trackball models across the factors that affect everyday use, including ball size, control style, wireless or wired connectivity, programmable controls, cursor sensitivity, portability, and compatibility. It covers options for large index-finger balls, compact thumb-operated designs, and multi-device workstations.
Each review identifies the strongest reason to consider a particular model and also notes practical limitations. The shortlist reflects the supplied specifications and customer ratings rather than personal testing, and availability, features, and prices can change over time, so readers should confirm current details before purchasing.
Top 3 Picks for Best Elecom Trackball Mouse
ELECOM Huge Plus Wireless Trackball Mouse
4.2Editor score
Large 52mm finger-operated ball
Three connection modes
Ten programmable buttons
ELECOM IST PRO Trackball Mouse
4.1Editor score
Pairs with up to six devices
Twelve-thousand DPI sensor
Swappable precision bearings
Top 10 Best Elecom Trackball Mouse in 2026 Compared
The table below places all ten models side by side, emphasizing the differences in ball size, control method, connection options, and feature depth that matter most when selecting an Elecom trackball mouse.
ProductsSpecificationsEditor scorePrice
Editor's Choice
ELECOM Huge Plus Wireless Trackball Mouse
52mm finger-operated ball
Bluetooth, 2.4GHz, wired
Ten programmable buttons
Rechargeable USB-C battery
4.2Editor score
Editor's Choice
ELECOM Huge Trackball Mouse
52mm finger-operated ball
Wireless 2.4GHz connection
Eight physical buttons
Switchable 500-1500 DPI
4.2Editor score
Best Premium
ELECOM EX-G Pro Trackball Mouse
Thumb-operated trackball
Wired, wireless, Bluetooth
Eight physical buttons
Switchable 500-1500 DPI
3.9Editor score
ELECOM IST PRO Trackball Mouse
36mm thumb-operated ball
Bluetooth 5.3 and 2.4GHz
Ten programmable buttons
Up to 12,000 DPI
4.1Editor score
ELECOM Huge Trackball Mouse Wired
52mm finger-operated ball
Wired USB connection
Eight physical buttons
Switchable 500-1500 DPI
4.2Editor score
ELECOM EX-G Trackball Mouse
Thumb-operated trackball
Wireless 2.4GHz connection
Six physical buttons
Switchable 750-1500 DPI
4.1Editor score
ELECOM Relacon Handheld Trackball Mouse
Handheld thumb control
Wireless 2.4GHz connection
Ten programmable buttons
Switchable 500-1500 DPI
3.8Editor score
ELECOM BITRA Wireless Trackball Mouse
Compact thumb-operated design
Bluetooth LE and 2.4GHz
Five customizable buttons
Twenty-five millimeter ball
4.1Editor score
ELECOM EX-G Left Handed Trackball Mouse
Left-handed thumb control
Wireless 2.4GHz connection
Six physical buttons
Switchable 750-1500 DPI
4.1Editor score
ELECOM EX-G Trackball Mouse
Thumb-operated trackball
Wireless 2.4GHz connection
Six programmable buttons
Low and high-speed modes
4.2Editor score
1. ELECOM Huge Plus – Best Overall Trackball
ELECOM Huge Plus Wireless Trackball Mouse
Large 52mm trackball
Three-mode connectivity
Ten programmable buttons
Rechargeable USB-C battery
The ELECOM Huge Plus combines a large 52mm finger-operated ball with the broadest connectivity package in this guide. Its 4.2 rating reflects a generally favorable customer reception, while the feature set makes it a strong all-around option for someone who wants one trackball across a computer, tablet, and other compatible devices.
Pros
- Large index-finger ball
- Broad device compatibility
- Works while charging
- Customizable button layout
- Quiet click operation
Cons
- Larger than compact models
- Requires compatible switch hardware
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Its three connection methods are particularly useful. Bluetooth supports direct wireless pairing, 2.4GHz offers a receiver-based connection, and wired USB-C provides a dependable wired option. Up to three devices can be connected, making the mouse practical for a desktop and laptop arrangement or for moving between a work computer and a tablet. Ten programmable buttons expand its suitability for productivity software, while silent clicks help in shared or quiet environments.
The rechargeable battery is another meaningful advantage over models that depend on replaceable cells. A full charge is stated to provide up to five months of use, and the included USB-C to USB-A cable allows operation while charging. MinebeaMitsumi steel bearings are designed to deliver smooth movement and can be swapped or upgraded to ruby units. The main trade-off is its large footprint, which may not suit a cramped desk or a user who prefers a compact device.
This is the most versatile choice for a user who prioritizes a large ball, flexible connectivity, programmable controls, and rechargeable convenience. It is particularly compelling for extended computer work in Windows or macOS, as well as setups that include iPadOS, Android, or ChromeOS. Those wanting a small travel mouse or a wired-only design should consider a more specialized alternative.
Large-Ball Control With Less Desk Movement
The 52mm ball is designed to be manipulated with the index finger while the palm remains supported. Its size can make fine cursor placement and broad screen navigation feel more deliberate than it would with a very small ball, particularly for users accustomed to finger-operated trackballs.
One Mouse Across Multiple Devices
Bluetooth, 2.4GHz wireless, and wired USB-C cover three common connection styles. The ability to store up to three device connections reduces the need to repeatedly re-pair the mouse when moving between a work computer, personal laptop, or tablet.
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2. ELECOM Huge – Comfortable Large-Ball Wireless
ELECOM Huge Trackball Mouse
Large 52mm trackball
Wireless 2.4GHz connection
Eight physical buttons
500, 1000, 1500 DPI
The ELECOM Huge Trackball Mouse is built around a 52mm ball operated with the index finger, offering a large-surface alternative to compact thumb-controlled trackballs. Its 4.2 customer rating places it among the stronger-reviewed products in this lineup, and the generous palm rest distinguishes it as a comfort-focused wired and wireless option.
Pros
- Supports index-finger control
- Large soft palm rest
- Removable cleanable ball
- Three cursor-speed settings
- Wide wireless range
Cons
- Single wireless connection style
- Bulky footprint
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The mouse includes eight physical buttons, with tilt actions on the scroll wheel adding horizontal scrolling. Cursor speed can be changed among 500, 1000, and 1500 DPI, allowing users to balance faster screen movement with more precise positioning. Its 2.4GHz wireless receiver has a stated range of up to three meters on magnetic surfaces and ten meters on non-magnetic surfaces, which provides useful flexibility around different desk materials.
Maintenance is straightforward because the ball runs on three 2.5mm artificial ruby bearings that are intended to resist dust and dirt. The ball can be pushed through the opening on the underside for cleaning. The trade-offs are that this model offers only 2.4GHz wireless rather than Bluetooth or a wired mode, and its dimensions of 4.5 by 7.2 by 2.3 inches make it one of the larger choices in the guide.
The Huge is a sensible match for users who value the large index-finger ball, a soft palm rest, and uncomplicated wireless operation more than broad platform connectivity. It suits extended desk work and anyone comfortable positioning their hand in front of the mouse. Buyers who alternate between several operating systems or need Bluetooth may be better served by the Huge Plus or IST PRO.
A Palm-Supportive Finger-Operated Layout
The large trackball and attached soft palm rest are designed to support longer sessions without requiring the hand to travel across a broad surface. Index-finger control gives this model a different feel from the smaller thumb-operated Elecom trackballs.
Ruby Bearings and Routine Cleaning
The three large ruby bearings are intended to roll smoothly and limit the buildup of dust and dirt. Because the ball is removable through the base, users can clean it when needed instead of treating the trackball as a sealed component.
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3. ELECOM EX-G Pro – Flexible Thumb Control
ELECOM EX-G Pro Trackball Mouse
Compact thumb-operated design
Three connection modes
Eight physical buttons
500, 1000, 1500 DPI
The ELECOM EX-G Pro offers a compact, thumb-operated trackball with wired, wireless, and Bluetooth connectivity. Its 3.9 rating is the second-lowest in this group, but the broad connection support and programmable controls still make it a credible option for users who want flexibility from a relatively small design.
Pros
- Wired, wireless, and Bluetooth
- Programmable button functions
- Compact dimensions
- Removable easy-clean ball
- Lightweight construction
Cons
- Lower customer rating
- Uses replaceable AA battery
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Eight physical buttons can be assigned through ELECOM Mouse Assistant, giving the mouse more utility for repeated commands. A dedicated control changes cursor speed between 500, 1000, and 1500 DPI. The three 2.5mm artificial ruby bearings provide a smooth rolling surface, and the ball can be removed for cleaning through the base. At 4.3 by 5.3 by 1.9 inches, it takes up less desk space than the Huge family.
Its main drawback is the AA battery, which replaces the convenience of a built-in rechargeable cell. The lower rating may also suggest that experiences are more varied, although the supplied specifications do not identify a particular defect. Users who require six-device pairing, a 12,000 DPI sensor, or silent switches will need to look beyond this model.
The EX-G Pro fits a middle-ground buyer: someone who wants thumb control, three connection modes, and customizable buttons without moving to the largest finger-operated design. It is a practical option for Windows and macOS users whose workflow includes switching between a docked computer, laptop, and mobile device.
Connection Flexibility in a Compact Body
Wired, wireless, and Bluetooth operation cover both stationary and mobile setups. The compact dimensions and 5.2-ounce listed weight make this a more travel-conscious alternative to Elecom's broad 52mm trackballs.
Productivity Focused Button Customization
The eight-button layout and ELECOM Mouse Assistant support let users assign frequently used commands. This makes the mouse more adaptable for work routines that benefit from dedicated navigation or application controls.
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4. ELECOM IST PRO – Advanced Multi-Device Control
ELECOM IST PRO Trackball Mouse
36mm thumb-operated ball
Six-device multi-pairing
Up to 12,000 DPI
Ten programmable buttons
The ELECOM IST PRO is the most technically advanced model in this roundup, combining a 36mm thumb-operated ball, high-resolution tracking, six-device pairing, and three connection methods. Its 4.1 rating indicates solid customer reception, while its specifications target users with demanding multi-device workflows.
Pros
- Pairs with six devices
- High-resolution PixArt sensor
- Swappable steel or ruby bearings
- Three connection methods
- Long stated battery life
Cons
- Advanced feature set
- Larger than compact trackballs
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Bluetooth 5.3, USB 2.4GHz wireless, and USB-C wired connectivity cover the major modern connection preferences. The mouse can switch among up to six paired devices, exceeding the three-device capacity of the Huge Plus. A PixArt gaming sensor supports cursor speeds up to 12,000 DPI and a 1,000Hz report rate, offering considerable adjustment for fast movement, detailed work, or gaming.
Ten programmable buttons and a tilt wheel expand control beyond basic pointing. Silent switches reduce click noise, and swappable steel or ruby bearings let users choose a bearing feel. The listed battery life of up to 18 months with AA batteries is notable, although the device is not described as rechargeable. The trade-off is that its advanced feature set and 36mm ball produce a larger device than the very compact BITRA.
The IST PRO is the strongest choice for a user who regularly moves among several computers, tablets, or phones and wants finer cursor-speed control. It also makes sense for those who value silent operation and bearing customization. A buyer only needs one basic wireless setup may find a simpler EX-G model sufficient.
Six-Device Workflow Support
Pairing capacity is the IST PRO's defining advantage in this guide. It can move among up to six devices, making it suitable for desk setups that combine a primary computer, portable computer, tablet, and additional mobile hardware.
High-Resolution Cursor Adjustment
The PixArt sensor can operate at up to 12,000 DPI with a 1,000Hz report rate. These figures offer greater range than the 500 to 1500 DPI settings offered by several traditional Elecom trackballs, allowing users to tailor movement more closely to their applications.
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5. ELECOM Huge – Reliable Wired Finger Control
ELECOM Huge Trackball Mouse Wired
Large 52mm trackball
Wired USB connection
Eight physical buttons
500, 1000, 1500 DPI
The ELECOM Huge Trackball Mouse Wired is a straightforward 52mm finger-operated trackball for users who prefer a permanent USB connection. It shares a 4.2 rating with the wireless Huge, offering a strong customer reception while removing battery management and wireless pairing from the buying decision.
Pros
- No wireless pairing required
- Large index-finger ball
- Attached low-resistance palm rest
- Easy-clean removable ball
- Strong customer rating
Cons
- Cable limits positioning
- No wireless connectivity
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Its eight physical buttons include scroll-wheel tilting for horizontal movement, and the cursor speed switches among 500, 1000, and 1500 DPI. The large attached palm rest uses a low-resistance surface intended to reduce wrist strain during long work sessions. Ruby bearings support smooth rotation, and the ball can be removed through the base for cleaning.
The main limitation is obvious: this is a wired mouse without wireless or Bluetooth modes. That trade-off may be acceptable in a permanent office position, but it reduces flexibility for shared desks, presentations, travel, or moving between rooms. Its large dimensions can also occupy more surface area than a compact thumb-operated model.
This wired Huge is most appealing to users who already work at one desk and want dependable connectivity, a large ball, and a supportive palm rest without charging or pairing. It also serves as a logical counterpart to the wireless Huge for shoppers who want the same general control style without receiver-based operation.
Always-Connected Desktop Operation
A wired connection eliminates the need to manage a receiver, batteries, or pairing. For a dedicated workstation, that simplicity can outweigh the freedom provided by wireless and Bluetooth models.
Palm Rest for Extended Sessions
The attached palm rest provides a broader contact area for the hand than many smaller trackballs. Combined with the 52mm ball, it creates a design oriented toward users who favor index-finger manipulation and steady desk support.
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6. ELECOM EX-G – Practical Wireless Thumb Control
ELECOM EX-G Trackball Mouse
Compact thumb-operated design
Wireless 2.4GHz connection
Six physical buttons
750 and 1500 DPI
The ELECOM EX-G Trackball Mouse provides a familiar compact thumb-operated design with 2.4GHz wireless connectivity. Its 4.1 rating suggests generally positive user feedback, and the combination of a light body, six-button layout, and optical tracking makes it a practical everyday choice.
Pros
- Lightweight 4.5-ounce design
- Tilt-wheel horizontal scrolling
- Removable cleanable ball
- Ruby-bearing construction
- Windows and macOS support
Cons
- Only two DPI settings
- No Bluetooth connectivity
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The scroll wheel can tilt to add horizontal scrolling, while the dedicated DPI control changes between 750 and 1500 DPI. Optical tracking is designed to deliver accurate cursor movement with less need to move the entire hand. The ball rolls on three 2.5mm artificial ruby bearings and can be pushed out through the bottom for cleaning, reducing maintenance concerns.
The main limitations are its 2.4GHz-only connection and limited two-level cursor adjustment. It weighs 4.5 ounces without the battery and measures 3.7 by 4.9 by 1.9 inches, making it more compact than the Huge family. Some older operating-system combinations have feature limitations, including the stated absence of horizontal scrolling in Windows RT 8.1.
The EX-G is a solid option for a Windows or macOS user who wants compact wireless thumb control without paying attention to a high-resolution sensor or extensive programmability. It is especially relevant for laptop desks where desk space is limited. Users who need more device flexibility should consider the EX-G Pro, while heavy multi-device users may prefer the IST PRO.
Compact Footprint for Smaller Desks
At less than five inches in both width and length, the EX-G occupies much less space than the 52mm Huge models. Its 4.5-ounce listed weight also keeps it practical for a laptop workspace or occasional travel.
Simple Optical Cursor Control
The 750 and 1500 DPI settings offer a straightforward choice between slower precision and faster movement. Optical tracking and a tiltable scroll wheel provide the core navigation functions without requiring a complicated control scheme.
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7. ELECOM Relacon – Portable Handheld Trackball
ELECOM Relacon Handheld Trackball Mouse
Handheld thumb-operated design
Wireless 2.4GHz connection
Ten programmable buttons
500, 1000, 1500 DPI
The ELECOM Relacon is a highly portable handheld trackball that prioritizes a small footprint and thumb-operated movement. Its 3.8 rating is the lowest among the ten models, so buyers should consider it with more care, but its dimensions, programmable controls, and optical sensor make it distinctive within the lineup.
Pros
- Very compact 1.6-inch width
- Suitable for either hand
- Ten customizable buttons
- High-performance optical sensor
- Includes two AAA batteries
Cons
- Lowest customer rating
- Uneven button count for preferences
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At 1.6 inches wide, 4.4 inches long, and 2.2 inches high, the Relacon can fit into a bag far more easily than a full-size desktop trackball. It weighs only 2.7 ounces without its batteries, and the sculpted shape is suitable for both left- and right-handed use. The ten buttons can be assigned through ELECOM Mouse Assistant, while cursor speeds switch among 500, 1000, and 1500 DPI.
Despite its small size, the model uses a high-performance optical sensor and three 2.5mm ruby bearings. The ball can be removed for cleaning, and a battery remaining light lamp helps indicate power status. Its limitations include the lower rating, the need for two AAA batteries, and the absence of Bluetooth or a wired mode. Ten buttons may also feel unusually dense in a device this small.
The Relacon is worth considering for travelers, students, or anyone who needs a minimal pointing device for presentations and temporary workspaces. It is less compelling as the only primary mouse for a person who prefers a full palm rest or frequently works for long periods. A user wanting a compact everyday trackball with modern wireless options may find the BITRA more balanced.
Minimal Footprint for Travel
The Relacon's narrow body and 2.7-ounce weight are particularly useful when carrying a computer to meetings, classes, or shared workspaces. Its compact shape reduces the bulk associated with conventional full-size trackballs.
Programming in a Small Form
Ten programmable buttons allow a surprising amount of customization for a handheld device. ELECOM Mouse Assistant can assign favorite functions, helping repeated navigation tasks become more direct.
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8. ELECOM BITRA – Compact Quiet Wireless Control
ELECOM BITRA Wireless Trackball Mouse
Compact 25mm ball
Bluetooth LE and 2.4GHz
Five customizable buttons
Sixteen-degree tilted wheel
The ELECOM BITRA is a compact wireless trackball created for smaller hands and portable workflows. Its 4.1 rating reflects positive customer reception, while Bluetooth Low Energy, 2.4GHz wireless, silent buttons, and a 25mm ball distinguish it from several similarly compact trackballs.
Pros
- Dual wireless connection styles
- Silent buttons throughout
- Compact for smaller hands
- Receiver stored in device
- Included storage pouch
Cons
- Only five buttons
- Smaller ball than alternatives
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Bluetooth LE and USB 2.4GHz can be connected simultaneously, allowing users to move between them with a top switch rather than repeatedly pairing. Compatible systems include Windows, Mac, Chromebook, Android, iPad, and iPhone. Five buttons can be remapped through ELECOM Mouse Assistant, and the 16-degree tilted wheel is designed to align more closely with the hand's natural angle.
The body is approximately 30 percent smaller than Elecom's previous trackball generation, a useful consideration for smaller desks and travel. The receiver stores inside the device, and the included shock-absorbing pouch can hold the trackball and a spare battery. The trade-offs are a smaller ball than the Huge, Huge Plus, and IST PRO, as well as fewer buttons than models offering six to ten controls.
The BITRA is a compelling option for someone who wants modern wireless flexibility, quiet operation, and a compact footprint. It is particularly attractive for shared offices or travel, where silence and easy packing matter. Users who require extensive programmability or a large operating surface should look to the EX-G Pro, Huge Plus, or IST PRO.
Two Wireless Modes Without Repairing
The ability to maintain Bluetooth LE and 2.4GHz connections at the same time makes switching between device types quick. Users can change modes with the top switch without entering the pairing process again.
Quiet Buttons for Shared Spaces
Every button is described as silent, making the BITRA suitable for meetings, open offices, and quiet home environments. This focus on noise reduction distinguishes it from clickier trackball alternatives.
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9. ELECOM EX-G Left Handed – Dedicated Thumb Comfort
ELECOM EX-G Left Handed Trackball Mouse
Left-handed thumb operation
Wireless 2.4GHz connection
Six programmable buttons
750 and 1500 DPI
The ELECOM EX-G Left Handed Trackball Mouse is a purpose-built option for users who prefer thumb control with their left hand. Its 4.1 rating indicates solid customer reception, and the dedicated shape offers an alternative to forcing a right-handed design into a different way of working.
Pros
- Designed specifically for left hands
- Removable replaceable ball
- Programmable button assignments
- Tilt-scroll horizontal navigation
- Compact 5.3-ounce design
Cons
- Left-handed layout only
- No Bluetooth support
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The ball is controlled by the thumb through 2.4GHz wireless connectivity, and six programmable buttons can be configured with ELECOM Mouse Assistant. Tilt actions on the scroll wheel support horizontal scrolling. Cursor speed can be switched between 750 and 1500 DPI, while the optical sensor is designed for accurate tracking with reduced wrist and hand movement.
The black ball can be removed and replaced with a separately sold red ball, giving users a personalization option that also relates to tracking feel. Three artificial ruby bearings support smooth movement and can be maintained through the removable-ball design. The trade-offs are the absence of Bluetooth, limited DPI choices, and the fact that this layout is specifically intended for left-handed users.
This model is a strong fit for a left-handed user who wants a compact wireless trackball and programmable controls. It is less suitable for right-handed shoppers or people who frequently move between device types without a receiver. Those seeking broader connection support can examine the EX-G Pro, while left-handed buyers wanting more connections may need to search outside this specific model.
A Layout Built Around Left Hands
Rather than simply offering a symmetrical shell, the EX-G Left Handed is shaped around left-thumb operation. That focused design can feel more natural to users who find conventional right-handed trackballs awkward.
Replaceable Ball and Custom Functions
The removable black ball can be exchanged for a separately sold red ball. Combined with programmable buttons and horizontal wheel tilting, this gives the user several ways to adapt the mouse to personal preferences.
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10. ELECOM EX-G – Value-Oriented Thumb Trackball
ELECOM EX-G Trackball Mouse
Compact thumb-operated design
Wireless 2.4GHz connection
Six programmable buttons
750 and 1500 DPI
The ELECOM EX-G Trackball Mouse delivers a compact, thumb-operated design with wireless connectivity, programmable buttons, and a 4.2 customer rating. It is a value-oriented option for users who want the core benefits of a trackball without paying for advanced multi-device pairing or very high cursor-speed settings.
Pros
- Strong 4.2 customer rating
- Low and high-speed modes
- Ergonomic hand-focused shape
- Programmable button profiles
- Includes AA battery
Cons
- No Bluetooth connectivity
- Only two DPI levels
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Its 2.4GHz USB wireless connection works with compatible USB-enabled computers, including laptops and desktops. The optical sensor supports smooth thumb-controlled movement, and a dedicated switch changes between 750 and 1500 DPI. Low-Energy and High-Speed modes provide an additional distinction: the former conserves battery life, while the latter is intended to improve tracking during rapid ball movements.
Six programmable buttons and tilt-scroll wheel actions expand navigation options, while ELECOM Mouse Assistant supports personalized button functions and profiles. The design is based on six muscle and skeletal structures of the hand, with a 3.7 by 4.9 by 1.9-inch footprint and a 4.5-ounce listed weight. The main constraints are its lack of Bluetooth and its more limited DPI range.
The EX-G is a sensible first trackball for a person who wants a compact wireless device, quiet everyday control, and customizable buttons. It also works well as a secondary pointing device. Users who need Bluetooth, six-device switching, silent operation, or a rechargeable battery should look to the BITRA, EX-G Pro, or IST PRO.
Two Operating Modes for Different Needs
Low-Energy Mode prioritizes battery conservation, while High-Speed Mode is intended for more responsive tracking when the ball moves quickly. A bottom switch lets users change the emphasis without replacing the mouse.
Personalized Buttons and Profiles
ELECOM Mouse Assistant can customize the six buttons and create profiles for different applications. This is valuable for recurring work tasks because frequently used commands can be placed where the thumb can reach them.
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Buying Guide – How to Choose the Best Elecom Trackball Mouse
Choosing an Elecom trackball mouse is easiest when you begin with your hand position, desk space, and device workflow. Ball size, control style, connectivity, programmability, and power requirements then narrow the field to the model that fits your routine.
Finger-Operated Versus Thumb Control
The first decision is whether you want to move the ball with your index finger or your thumb. Finger-operated models place a large ball in front of the palm and are generally associated with the Huge family, including the 52mm Huge, Huge Plus, and wired Huge. Thumb-operated models place a smaller ball under or beside the thumb and generally occupy less desk space, as seen with the EX-G series, IST PRO, and BITRA. The right choice depends on natural hand posture rather than simply on size. Buyers should imagine their usual resting position and determine which movement feels least effortful.
Ball Diameter and Operating Surface
A larger ball provides a broad surface that can be moved with smaller finger or thumb motions. The Huge and Huge Plus use 52mm balls, the IST PRO uses a 36mm ball, and the BITRA uses a 25mm ball. Larger balls may suit users who prefer deliberate control and visible finger placement, while smaller balls support compact workspaces. Ball diameter is only one element of overall comfort, so consider the surrounding shape, palm support, and button placement together. A ball that feels comfortable in dimensions may still require adjustment if the housing forces the wrist into an awkward angle.
Connection Methods and Device Switching
Connection requirements can determine which models are practical. A wired-only mouse provides simple, constant access but fixes the user to one cable. A 2.4GHz receiver works with compatible computers without requiring Bluetooth. Bluetooth supports direct connection to many modern systems, while some models combine Bluetooth and 2.4GHz for quick switching. The IST PRO stands apart by supporting up to six paired devices, whereas the Huge Plus supports up to three. Check the stated operating-system compatibility carefully, especially if you alternate among Windows, macOS, iPadOS, Android, ChromeOS, or iOS.
Programmable Buttons and Workflow
Basic pointing requires only two buttons, but trackballs become more useful when extra controls support recurring tasks. Models in this guide range from five customizable buttons on the BITRA to ten on the Huge Plus, Relacon, and IST PRO. The EX-G Pro and Huge models offer eight physical buttons, while several EX-G products provide six plus tilt-wheel actions. ELECOM Mouse Assistant is referenced for assigning functions and, in one description, creating application profiles. Buyers should consider whether they truly need many controls because additional buttons can make a compact mouse feel crowded and may take time to learn.
Cursor Sensitivity and Sensor Performance
DPI determines how far the cursor travels for a given movement of the ball. Most of the traditional EX-G and Huge products offer fixed choices that peak at 1500 DPI, with many also including a 750 or 500 setting. The IST PRO supports up to 12,000 DPI and a 1,000Hz report rate. Higher maximum sensitivity is not automatically better, but a wider range can help users move between detailed editing, ordinary desktop work, and fast navigation. Consider your applications and whether you prefer a dedicated button to change speed quickly. Optical tracking technology is standard across the featured range.
Comfort and Ergonomic Shape
Comfort is determined by more than the presence of a trackball. The Huge models provide a large soft or low-resistance palm rest and use index-finger operation. The EX-G series follows a compact thumb-operated shape based on hand anatomy, while the Relacon has a sculpted handheld form intended for both left- and right-handed use. The IST PRO uses a 36mm ball and an ergonomic housing. Consider where the device sits, whether your palm has room to relax, and whether the ball's placement supports the wrist without repetitive repositioning. A comfortable design should reduce the need to move the hand across the desk.
Noise Level and Shared Workspaces
Click noise can matter in offices, libraries, meetings, and homes where others are working. The Huge Plus, IST PRO, and BITRA explicitly feature silent buttons or silent switches. Other models are not described as silent in the supplied information, so buyers who are particularly sensitive to click sound should prioritize one of those models. Silent operation can improve concentration and make shared use more considerate. It does not change the core tracking experience, but it can make a trackball more pleasant for long workdays in environments where audible clicks are disruptive.
Power, Portability, and Maintenance
Power requirements affect how often a mouse needs attention. The Huge Plus has a rechargeable lithium-ion battery, continues operating while charging, and uses USB-C. Many other models use AA or AAA batteries and include a battery remaining indicator. The Relacon weighs only 2.7 ounces, the standard EX-G weighs 4.5 ounces, and the Huge models are considerably larger, so portability and desk footprint should influence the decision. Also note that most models use removable balls supported by ruby bearings, allowing the ball to be pushed out and cleaned. Replacement and cleaning access are useful advantages for long-term ownership.
How to Use and Care for Your Elecom Trackball Mouse
Begin by placing the trackball where it naturally supports your hand rather than in the position previously occupied by a conventional mouse. For a finger-operated model, let the index finger rest on the ball and keep the palm supported. For a thumb-operated model, position the ball beneath the thumb and move it with small, controlled motions. Learn the primary clicks, scroll wheel, DPI control, and any programmable buttons before increasing the pace of cursor movement.
Connect the mouse using the method appropriate for the model. Plug a wired unit into a compatible USB port, connect the included 2.4GHz receiver, or select Bluetooth and pair with the intended device. Models that store multiple connections can then be switched using their pairing or mode controls. Verify the selected DPI level and test the button assignments in ELECOM Mouse Assistant if you plan to customize them.
Keep the trackball clean by gently wiping its surface and removing dust from the accessible area around the ball. On models with removable balls, push the ball through the opening in the underside as directed, clean it, and reinstall it carefully. Follow the supplied battery guidance for models using AA or AAA cells, and use the specified USB-C charging arrangement for the rechargeable Huge Plus. Never immerse a mouse in liquid, and avoid pulling on a cable that is not designed to be detached.
Frequently Asked Questions
Which Elecom trackball mouse is best for small hands?
The BITRA is the most explicitly compact model in the guide, with a body described as approximately 30 percent smaller than Elecom's previous trackball generation. Its 25mm ball and compact index-finger design are intended to fit smaller hands. Users who prefer thumb control may also consider the standard EX-G, while the Relacon is another lightweight handheld option.
Are Elecom trackball mice suitable for left-handed users?
The EX-G Left Handed Trackball Mouse is specifically designed for a left-handed person and positions the ball for left-thumb operation. It includes six programmable buttons, tilt scrolling, and adjustable cursor sensitivity. Its dedicated shape is preferable to forcing a right-handed model into a different way of use.
What is the difference between finger-operated and thumb-operated Elecom trackballs?
A finger-operated trackball is rolled with the index finger and usually includes a larger ball and broader palm support. A thumb-operated model places a smaller ball under the thumb and tends to have a more compact footprint. The choice comes down to which movement feels natural and which design fits your hand and desk.
Do any Elecom trackball mice support Bluetooth and wired use?
The Huge Plus supports Bluetooth, 2.4GHz wireless, and wired USB-C, while the EX-G Pro supports wired, wireless, and Bluetooth operation. The IST PRO also combines Bluetooth 5.3, 2.4GHz wireless, and USB-C wired connectivity. Models limited to 2.4GHz or wired use cannot connect through Bluetooth.
Can I customize the buttons on an Elecom trackball mouse?
Yes, several models in the guide support button assignment through ELECOM Mouse Assistant. The available customization includes functions for physical buttons, and the EX-G description also mentions creating personalized profiles for different applications. The older standard EX-G is the exception in the supplied data because its description does not mention programmable button functions.
How do I clean an Elecom trackball mouse?
Many of the featured models have removable balls supported by three 2.5mm artificial ruby bearings. The supplied instructions indicate that the ball can be pushed through the opening in the bottom for cleaning. Before cleaning, disconnect the wired model or switch off the wireless one, and follow the product instructions carefully when reinstalling the ball.
Which model has the highest cursor sensitivity?
The IST PRO has the highest stated maximum among these products, with a PixArt sensor supporting up to 12,000 DPI and a 1,000Hz report rate. Most of the traditional EX-G and Huge models top out at 1500 DPI, with lower settings available for slower movement. Higher DPI offers more sensitivity but should be matched to the user's control preferences.
Are rechargeable Elecom trackball mice available?
The Huge Plus is the featured model with a built-in rechargeable lithium-ion battery. It can provide up to five months of use per charge and continue operating while charging through the included USB-C to USB-A cable. The other models in the guide use replaceable AA or AAA batteries and include a battery remaining light lamp.
Final Thoughts on Choosing the Best Elecom Trackball Mouse
The ELECOM Huge Plus is the strongest all-around recommendation because it combines a large 52mm finger-operated ball with Bluetooth, 2.4GHz, wired USB-C, ten programmable buttons, silent operation, and a rechargeable battery. The Huge Plus is especially versatile for users who alternate among several compatible devices, while the huge 52mm ball and broad palm support suit extended desk work.
Priority should match the way you work. Choose the wired Huge for a permanent index-finger setup, the EX-G series for compact thumb control, the EX-G Left Handed for a dedicated left-hand layout, the Relacon for maximum portability, the BITRA for quiet dual-wireless operation, and the IST PRO when six-device switching and high cursor sensitivity matter most. Buying the right trackball is less about chasing the largest specification and more about matching ball size, hand position, and connectivity to your routine.
Before purchasing, verify the current product listing, operating-system requirements, included accessories, and available configuration. Ratings and specifications provide a useful starting point, but user experience depends heavily on hand size, desk space, and control habits. Prices and product availability can change, so checking the latest listing can prevent surprises and help ensure that the chosen model still meets your needs.