USB Wireless PC Laptop Finger HandHeld Trackball Mouse w/ Laser Pointer Gaming on OnBuy
Deft Pro Wired / Wireless / Bluetooth Finger-Operated Trackball Mouse, Ergonomic Design, 8-Button Function with Smooth Tracking, Precision Optical Gaming Sensor, Windows / Mac (M-DPT1MRXBK) - Newegg.com
Elecom EX-G Left-Handed Trackball Mouse, 2.4GHz Wireless, Thumb Control, 6-Button Function with Smooth Tracking, Ergonomic Design, Optical Gaming Sensor, Windows11, macOS (M-XT4DRBK) : Amazon.co.uk: Computers & Accessories
Homemade gaming trackball : r/Trackballs
The 3 Best Trackballs for 2023 | Reviews by Wirecutter
ELECOM Handheld Bluetooth Thumb-operated Trackball Mouse, 10-Button Function Smooth Tracking, Precision Optical Gaming Sensor, Left / Right Handed on OnBuy