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 EM01 NL
A thumb-operated wireless trackball with a hinge that tilts the body from 0 to 20 degrees, connecting to up to three devices via Bluetooth or a 2.4G receiver.
Some specs could not be matched to a source · Last verified: 2026-10-17
~¥5,088
Where to buy
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Pros
- Tilt adjustable between 0 and 20 degrees
- One-button switching among up to three devices
- Quiet clicks and five DPI levels (200-1600) set on the device
- Rechargeable via USB-C with long battery life
Cons
- No onboard storage for the USB receiver
- Tilt has only two positions, no fine adjustment
- Some reviewers report the ball catching or stiffening
- No software to customize buttons or DPI
Specs
| Handedness | Right |
|---|---|
| Ball size | — |
| Ball position | Thumb |
| Buttons | 10 |
| Scroll | Wheel |
| Weight | 181 g |
| Connectivity | Bluetooth, USB receiver |
| OS | windows, macos, linux, android, ios |
| Released | — |
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