Genuine Tiny Unifying USB Receiver Dongle for Logitech Mouse and Keyboard Can Connect Up To Six (6) Devices w/ Unifying Logo
Amazon.com: Logitech Unifying Receiver, 2.4 GHz Wireless Technology, USB Plug Compatible with all Logitech Unifying Devices like Wireless Mouse and Keyboard, PC / Mac / Laptop - Black : Electronics
How to Pair Logitech Unifying Wireless Receiver [Hindi] - YouTube
Logitech M310 Wireless Mouse | Columbia University in the City of New York
Logitech USB Unifying Receiver 58 H x 38 W x 14 D Black 910 005235 - Office Depot
Logitech Unifying Receiver for Connecting Multiple Devices