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
Nakabayashi Digio2 Q Series MUS-TRLF224BK
A compact, pocket-sized thumb trackball with a 34mm ball, laser sensor, five silent buttons, and a 2.4GHz USB receiver.
Key specs auto-matched against source pages · Last verified: 2026-10-17
~¥5,917
Where to buy
No US retailer found yet. Official site
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Pros
- All buttons are silent
- Receiver stores inside the body for travel
- Ceramic support bearings
- Wheel and back/forward buttons can be remapped via Digio2 Mouse Setting on Windows and macOS
Cons
- No Bluetooth; needs a USB-A receiver
- Runs on two AAA batteries rather than a rechargeable cell
- Button software only works on Windows and macOS
Specs
| Handedness | Right |
|---|---|
| Ball size | 34 mm |
| Ball position | Thumb |
| Buttons | 5 |
| Scroll | Wheel |
| Weight | 105 g |
| Connectivity | USB receiver |
| OS | windows, macos, chromeos |
| Released | — |
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