Amazon.com: Logitech Trackman Marble Trackball Mouse – Wired USB Ergonomic Mouse for Computers, with 4 Programmable Buttons, Dark Gray : Electronics
Logitech Trackman in Linux | Castells
Trackball Mouse Logitech Marble con cable plateado-rojo, prueba de conexión USB y comparación
Trackball inalámbrico avanzado Logitech MX ERGO con placa inclinable
Lance is also on Mastodon on Twitter: "Got the old Logitech Marble Mouse out tonight to use with my laptop. Reading exaggerated reports of their obsolescence got me wanting to use it