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
Ploopy Nano Trackball
A small, buttonless, open-source 3D-printed trackball kit from Ploopy with a 1.5-inch ball on roller bearings, an ADNS-5050 sensor, a USB Micro-B connection and QMK firmware; it must be soldered together by the buyer and has since been replaced by the Nano 2.
Some specs could not be matched to a source · Last verified: 2026-10-17
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Where to buy
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Pros
- Small enough to add to any setup alongside a keyboard
- Open-source hardware with QMK firmware that can be reflashed
- Low kit price
Cons
- No buttons on the device
- Roller bearings make a noticeable scratchy noise
- Assembly needs soldering skills and tools
- Being phased out in favour of the Nano 2
Specs
| Handedness | Ambidextrous |
|---|---|
| Ball size | 38.1 mm |
| Ball position | Center |
| Buttons | — |
| Scroll | None |
| Weight | — |
| Connectivity | USB |
| OS | windows, macos, linux |
| Released | — |
Sources
AD · detail-mid
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