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 MUS-TRIF175
The Nakabayashi Digio2 MUS-TRIF175 is a thumb-operated, 5-button trackball that connects through a 2.4GHz USB wireless receiver.
Some specs could not be matched to a source · Last verified: 2026-10-17
~¥4,650
Where to buy
No US retailer found yet. Official site
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Pros
- The body stays still, so it works on narrow desks or over papers
- Has forward/back buttons and three pointer-speed settings
- Weighs 115 g and runs on one AA battery
Cons
- Forward/back buttons do not work on macOS
- Only 2.4GHz wireless is offered, with no Bluetooth or wired mode
- Resolution tops out at 1000 dpi
Specs
| Handedness | Right |
|---|---|
| Ball size | — |
| Ball position | Thumb |
| Buttons | 5 |
| Scroll | None |
| Weight | 115 g |
| Connectivity | USB receiver |
| OS | windows, macos |
| Released | — |
Sources
AD · detail-mid
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