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 TB800 EQ K72458WW (Red Ball)
A symmetrical finger-operated trackball with a 55mm ball, scroll ring, two side rollers and 8 buttons, connecting to up to four devices over Bluetooth, 2.4GHz or USB-C; it was discontinued in 2026.
Key specs auto-matched against source pages · Last verified: 2026-10-17
~¥24,200
Where to buy
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Pros
- Large 55mm ball in an ambidextrous design
- Scroll ring plus two customizable side rollers
- Up to four devices via Bluetooth, 2.4GHz dongle and USB-C
- Polling rate up to 1000Hz in wired or dongle mode
Cons
- A post-launch fault left the ball unresponsive when moved toward the 10–2 o'clock directions, and the product was discontinued
- Weighs about 460g and is sized for average to larger hands
- Button and scroll customization is unavailable on ChromeOS
Specs
| Handedness | Ambidextrous |
|---|---|
| Ball size | 55 mm |
| Ball position | Center |
| Buttons | 8 |
| Scroll | Ring |
| Weight | 460 g |
| Connectivity | Bluetooth, USB receiver, USB |
| OS | windows, macos, chromeos |
| Released | 2025 |
Sources
AD · detail-mid
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