Kensington Orbit with Scroll Ring - trackball - USB - white, silver - K72500WW - Mice - CDW.com
Kensington Orbit Trackball with Scroll Ring (Space Gray)
The 3 Best Trackballs for 2023 | Reviews by Wirecutter
Amazon.com: Kensington Orbit Trackball Mouse with Scroll Ring (K72337US), 4 1/2X5 1/2X2" : Everything Else
Amazon.com: Kensington Orbit Mouse - Wired Ergonomic TrackBall Mouse for PC, Mac and Windows with Scroll Ring, Ambidextrous Design and Optical Tracking - Blue (K72337EU) : Electronics