TrackballsKensington Expert Mouse Wired Trackball K64325
A wired USB symmetrical trackball with a 55 mm ball, a scroll ring and 4 buttons, supplied with a detachable wrist rest.
~$87.65
ELECOM bitra M-MT2MRSBK (index finger)
ELECOM's compact index-finger trackball with a roughly 34mm ball and 5 buttons, supporting switching between Bluetooth and a 2.4GHz receiver.
Key specs auto-matched against source pages · Last verified: 2026-10-17
~¥9,990
Where to buy
No US retailer found yet. Official site
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Pros
- Compact at about 83g (without battery), with a carrying pouch included
- Switches between Bluetooth and 2.4GHz to connect two devices
- Uses silent click switches
- Receiver can be stored inside the body
Cons
- Runs on a single AAA battery, not rechargeable
- Sensor resolution is 750 DPI
- No left-handed version is mentioned
Specs
| Handedness | Right |
|---|---|
| Ball size | 34 mm |
| Ball position | Finger |
| Buttons | 5 |
| Scroll | Wheel |
| Weight | 83 g |
| Connectivity | Bluetooth, USB receiver |
| OS | windows, macos, chromeos, android, ios |
| Released | 2025 |
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