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
Pretorian n-ABLER Pro Rollerball
A symmetrical, USB-connected accessibility trackball with a 63mm free-running ball, integrated wrist support and three-level anti-tremor settings.
Some specs could not be matched to a source · Last verified: 2026-10-17
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Pros
- Symmetrical design for either hand, with switchable left/right click
- Three-level anti-tremor setting plus dedicated double-click and drag-lock buttons
- Plug and play with no drivers required
- Integrated wrist support and large footprint for stability
Cons
- Wired only; no wireless option
- Needs an adapter for iOS devices
- Large and relatively expensive (about £240)
Specs
| Handedness | Ambidextrous |
|---|---|
| Ball size | 63 mm |
| Ball position | Center |
| Buttons | — |
| Scroll | Ball |
| Weight | — |
| Connectivity | USB |
| OS | windows, macos, ios, android |
| Released | — |
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