The Logitech USB Unifying Receiver can connect up to 6 compatible keyboards and mice to one computer with a single Unifying receiver. Use this stand-alone USB Unifying receiver to replace a lost one. It's compatible with all Logitech Unifying products.
Use an extra Unifying receiver to connect a dual connectivity mouse or keyboard – or both – to a second computer. Then switch from one computer to the other with the push of a button for efficient multi-tasking. It can also be a great add on for your Logitech Flow setup. It features advanced 2.4 GHz wireless technology provides a powerful, reliable connection up to 10 meters away with virtually no delays or dropouts.