Hello, Some Unifying-ready Logitech devices, such as the M305 mouse, come with a non-Unifying receiver. It looks the same, but instead of the Unifying logo it has "NANO RECEIVER" written on the case. The device ID of the nano receiver is...
Logitech has what is called a "Unifying" receiver, it is a USB dongle that allows wireless simultaneous connection to as many Logitech Unifying devices as you wish (in my case two M510 and one MX Master3 mice and MX Keys keyboard). For a firmware update to occur you need to have the ...