Logitech Unifying receiver for mouse and keyboard Logitech Unifying receiver will work with any product that display the Unifying logo The Unifying receiver working with 6 mice and keyboards in the same time. Compatible with: Logitech wireless mouse M505 marathon mouse M705 Logitech Mouse M905 Logitech keyboard K340 Logitech keyboard K350 and also with Logitech notebook kit Mk605 Logitech Mouse M215