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
ProtoArc EM02
The ProtoArc EM02 is a thumb-operated wireless trackball with 2.4GHz and Bluetooth connectivity, USB-C charging and five DPI levels.
Some specs could not be matched to a source · Last verified: 2026-10-17
~$85.99
Where to buy
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Pros
- Switches between devices over 2.4GHz or Bluetooth
- Quiet-touch buttons
- Five DPI levels from 200 to 1600
- USB-C charging with about 90 days standby
Cons
- Forward/backward buttons are not compatible with Mac OS
- Listed as suited mainly to medium-sized hands
Specs
| Handedness | Right |
|---|---|
| Ball size | — |
| Ball position | Thumb |
| Buttons | — |
| Scroll | None |
| Weight | — |
| Connectivity | USB receiver, Bluetooth |
| OS | windows, macos, ios, android |
| Released | — |
Sources
AD · detail-mid
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