Logitech USB Unifying Receiver

Connect up to 6 compatible keyboards and mice to one computer with one Unifying receiver – and forget the hassle of multiple USB receivers.
Use this standalone USB Unifying receiver to replace a lost one. Compatible with all Logitech Unifying products (look for the Unifying logo displayed on compatible products)

Advanced 2.4 GHz wireless technology provides a powerful, reliable connection up to 10 meters with virtually no lag or dropouts.

Warranty: 24 months