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 Pro Fit Ergo TB450 Trackball
A right-handed, thumb-operated 34mm trackball with a 45° tilt, designed for easy transition from a mouse, connecting via Bluetooth LE or a 2.4GHz receiver.
Key specs auto-matched against source pages · Last verified: 2026-10-17
~$39.99
Where to buy
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Pros
- Supports both Bluetooth LE and 2.4GHz receiver
- Ball ejection button makes cleaning easy
- Long battery life (up to 18 months on 2.4GHz)
- Fairly light at 130g
Cons
- Right-hand only
- Only 5 programmable buttons
- US official page lists it as discontinued
- Windows ARM-based computers not supported
Specs
| Handedness | Right |
|---|---|
| Ball size | 34 mm |
| Ball position | Thumb |
| Buttons | 7 |
| Scroll | Wheel |
| Weight | 130 g |
| Connectivity | Bluetooth, USB receiver |
| OS | windows, macos, chromeos, ios |
| Released | 2023 |
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