Spielplatz Ausrüstung Sinis Beraten logitech cordless optical trackman Immer noch Haken Vogel
Logitech T-RB22 Cordless Optical TrackMan
A size comparison between the Logitech Cordless Trackman Optical, the Microsoft Trackball Optical, and the Elecom Huge, for if anyone is curious. : r/Trackballs