Logitech Unifying receiver for mouse and keyboard Will work with any Logitech products that display the Unifying Logo Logitech Unifying receiver (M/N:C-U0007) Works with Mouse MX M905 M950 M505 M510 M525 M305 M310 M315 M325 M345 M705 M215 The unifying receiver works with up to 7 mice and keyboards in the same time.