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
Sanwa Supply MA-BTTB130BK
A Bluetooth thumb-operated trackball with a 34mm ball, a 15° tilted ergonomic shell, and silent switches on every button.
Key specs auto-matched against source pages · Last verified: 2026-10-17
~¥5,980
Where to buy
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Pros
- Silent switches on the left/right, wheel and count-change buttons
- Receiverless Bluetooth 5.1, also usable with Android phones and tablets
- Four cursor-speed steps from 600 to 1600 counts
- Finger placement matches a regular mouse, easing the switch
Cons
- Only three buttons, with no back/forward buttons
- Bluetooth only, with no USB receiver or wired option
- Powered by AAA batteries rather than a rechargeable cell
Specs
| Handedness | Right |
|---|---|
| Ball size | 34 mm |
| Ball position | Thumb |
| Buttons | 3 |
| Scroll | Wheel |
| Weight | 126 g |
| Connectivity | Bluetooth |
| OS | windows, macos, android |
| Released | 2019 |
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