Wireless Trackball Mouse: Easy Thumb Control, Precise Smooth Tracking JTD Ergonomic Computer Mouse with 4 Levels Adjustable DPI, USB Connection Compatible for PC, Laptop, Windows and MAC OS: Amazon.co.uk: Computers & Accessories
perixx PERIMICE-517 Wired Ergonomic Trackball Mouse with 7 Buttons and 2 DPI Level, 11567
Elecom EX-G Left-Handed Trackball Mouse, 2.4GHz Wireless, Thumb Control, 6-Button Function, Ergonomic Design, Red Ball, Windows11, macOS (M-XT4DRBK-G)
GameBall. The gaming trackball mouse.
EIGIIS 2.4G Ergonomic Handheld Trackball Finger USB Mouse Wireless Portable High Precision Optical DPI Mice for PC Laptop Mac Left and Right Handed User Wireless Optical Gaming Mouse - EIGIIS : Flipkart.com