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
Kensington Expert Mouse Wireless Trackball
A symmetrical finger-operated trackball with a 55 mm ball, a scroll ring around the ball and four buttons, connecting over Bluetooth LE or a 2.4 GHz USB nano receiver.
Key specs auto-matched against source pages · Last verified: 2026-10-16
~$109.99
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Pros
- Symmetrical shape works for left- and right-handed users
- Large ball allows cursor control with almost no arm movement
- Scroll ring around the ball turns smoothly
- All four buttons and cursor speed can be configured in KensingtonWorks
Cons
- Large footprint takes up desk space
- Sized for average to larger hands
- Dragging while holding a button can be awkward
- No software customization on ChromeOS
Specs
| Handedness | Ambidextrous |
|---|---|
| Ball size | 55 mm |
| Ball position | Center |
| Buttons | 4 |
| Scroll | Ring |
| Weight | — |
| Connectivity | Bluetooth, USB receiver |
| OS | windows, macos, chromeos |
| Released | 2016 |
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