Ball Transfer Unit (BTU)

By Xah Lee. Date: . Last updated: .

What is Ball Transfer Unit (BTU)

BTU stands for Ball Transfer Unit. It's a larger ball sitting on lots smaller balls, for most smooth rolling mechanism.

BTU Ball Transfer Unit ms4f
ใ€”image source 2022-05-19 โฎhttps://en.wikipedia.org/wiki/Ball_transfer_unitโฏใ€•

trackballs using ball transfer unit means it can freely spin, for 5 or more seconds.

Trackballs using Ball Transfer Unit

trackball topic