Logitech USB Receiver M/N: C-U0007 Operation confirmed, but compatibility depends on the device. This is not a new item, so please purchase if you understand that it is a used item. You will need to install the Unifying Software when pairing with your mouse or keyboard. Anonymous shipping (free shipping) will be used. It will be shipped via Nekopos or Yu-packet Post (mini). I may be late in contacting you due to travel or work. Also, shipping may not be possible on weekends, holidays, Golden Week, year-end and New Year holidays, and Obon. Please be aware of this if you are in a hurry. Thank you. (Management number 3)