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-WTB178BK
A right-handed, thumb-operated wireless trackball from Sanwa Supply with a tilted body, 34mm ball, five buttons, a tilt wheel, and a 2.4GHz USB receiver.
Some specs could not be matched to a source · Last verified: 2026-10-17
~¥4,480
Where to buy
No US retailer found yet. Official site
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Pros
- Tilted shape keeps the hand in a more upright posture
- Quiet switches on the main and side buttons
- Four selectable DPI levels (400–1600)
- Receiver stores in the underside of the mouse
Cons
- No Bluetooth; works only through the 2.4GHz receiver
- Back/forward side-button functions are Windows-only
- Reviewers report durability problems such as click chattering
Specs
| Handedness | Right |
|---|---|
| Ball size | 34 mm |
| Ball position | Thumb |
| Buttons | 5 |
| Scroll | Wheel |
| Weight | 145.2 g |
| Connectivity | USB receiver |
| OS | windows, macos, chromeos |
| Released | — |
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