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 EM03 NL
A right-handed wireless trackball with a 44mm ball operated by the index or middle finger, supporting up to three devices via 2.4G and dual Bluetooth.
Some specs could not be matched to a source · Last verified: 2026-10-17
~$33.99
Where to buy
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Pros
- Large 44mm ball allows cursor control without moving the wrist or arm
- Switches between up to 3 devices (2.4G plus two Bluetooth)
- Quiet clicks and USB-C rechargeable battery
- Five DPI levels from 200 to 1600
Cons
- Right-hand only; large body can feel oversized for small hands
- Some reviewers find the ball placed too far forward
- No driver software, so buttons and DPI cannot be customized
Specs
| Handedness | Right |
|---|---|
| Ball size | 44 mm |
| Ball position | Finger |
| Buttons | — |
| Scroll | Wheel |
| Weight | 193 g |
| Connectivity | USB receiver, Bluetooth |
| OS | windows, macos, android, ios |
| Released | — |
Sources
AD · detail-mid
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