Best Thumb Trackballs

Kensington SlimBlade™ Pro Wireless Trackball, Rechargeable Battery, Bluetooth 2.4GHz Connection Options (K72080WW)

Logitech MX Ergo S Advanced Wireless Trackball Mouse, USB-C Rechargeable Wireless Ergonomic Mouse with Bluetooth and Encrypted Dongle, 6 Programmable Buttons, for PC/Mac - Graphite

ELECOM Huge Trackball Mouse, Wired, Finger-Operated, 8-Button Function, Palm Rest Attached, 52mm Smooth Red Ball Windows11, macOS (M-HT1URBK)

Kensington Expert Mouse Optical Trackball Wireless

Logitech ERGO M575 Wireless Trackball Mouse + Logitech K360 Compact Wireless Keyboard (2.4GHz) Bundle

Nulea Wireless Ergonomic Trackball Mouse, Rechargeable, Bluetooth Rollerball Mouse, 44mm Index Finger Trackball, 5 Adjustable DPI, Compatible with PC, Laptop, iPad, Mac, Windows, Android

Kensington K64325 Expert Mouse0174 Wired Trackball

Logitech M575 - Latin America

Kensington Orbit Optical Trackball Mouse, USB 2.0, Left/Right Hand Use, Black/Silver

ELECOM EX-G Left Handed Trackball Mouse, 2.4 GHz USB Wireless, Ergonomic, Thumb Control, Tracking Roller Ball, 6 Programmable Buttons, Tilt Scroll