Kensington Expert Mouse

By Xah Lee. Date: . Last updated: .


Kensington Expert Mouse 2022 dqp2-s1200
Kensington Expert Mouse 2022 1536×2048 [image source]
Kensington Expert Mouse 6trq-s1200
Kensington Expert Mouse 1512×1006 [2022-05-19 image source]

Scratchy Scroll Ring

Scroll ring has a known problem, namely, annoyingly scratchy.

Kensington Expert scratchy wheel 2019-11-21
video by Emily E, see happy hacking emily lisp server

Work in Linux?

Yes. Works in Linux out of the box.

You can remap mouse buttons in Linux using xinput. [see Linux: How to Swap Mouse Buttons]

Ball Size

Ball diameter: 55 mm.

Trackball Ball Sizes and Replacement


The wired version is exactly the same, except with wires.

Buy at amazon

Expert Mouse vs Slimblade

Looking at all web comments, some people prefer the Slimblade, but some Expert Mouse.

Kensington Slimblade trackball 78432

History of Kensington Expert Mouse

History of Kensington Expert

Xah Keyboard Guide