A size comparison between the Logitech Cordless Trackman Optical, the Microsoft Trackball Optical, and the Elecom Huge, for if anyone is curious. : r/Trackballs
Fot my first Trackball today! (Logitech Cordless Trackman Optical) : r/Trackballs
Logitech Cordless Optical TrackMan Review vs Logitech Cordless Trackman FX Optical - YouTube
Trackballs that I have known and loved: A history in hardware | ZDNET