Logitech M515 Software, Update Driver for Couch Mouse -
Logitech M515 Driver and Software Download
Logitech Mouse Repair - iFixit
Logitech M515 Driver, Manual, Software Download for Windows, Mac
Logitech M515 Manual
Logitech Couch Mouse M515 for PC or Mac (Silver) : Electronics - Amazon.com
Keyboard Science] TIL that the Logitech K800, the K810 AND the M515 "Couch Mouse" all use a variation of this proximity detection technology to save battery life : r/MechanicalKeyboards