Elecom EX-G Pro Trackball
This came out around 2018-08.
Scroll wheel can be pushed left/right.
Many amazon reviews says the ball has strong friction when you start to roll it. This is bad when you need pixel precision.
- 3 modes: bluetooth, or USB dongle wireless, or wired.
- Rechargeable. Just plug it in.
- Gaming grade optical sensor.
- DPI can be changed.
Ball diameter: 34 mm.
Work in Linux?
Yes. Plug and play.
Linux kernel dated after 2019-05-30 supports the Fn1 Fn2 Fn3 buttons.
You can remap mouse buttons in Linux using
[see Linux: How to Swap Mouse Buttons]
Compared to EX-G
The EX-G Pro is improvement of the previous EX-G.
Buy at amazon