Solaar' Lets You Manage Logitech's Unifying Receiver on Linux - OMG! Ubuntu!
Logitech Unifying receiver - Wikipedia
How to pair more than one device with a Logitech receiver
Why you should really, really update your Logitech wireless dongle - The Verge
How to Pair a Logitech Mouse
Logitech Unifying Receiver for Connecting Multiple Devices
Solved: XPS8940 Logitech Unifying USB receiver cannot be detected - Dell Community
Logitech Unifying for Chrome
How to Pair Mouse & Keyboard with Logitech Unifying Receiver
Logitech Unifying Receiver 1 to 6 Devices USB Dongle for Wireless Keyboard Mouse for sale online | eBay
Amazon.com: Logitech USB 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
Logitech Unifying for Chrome
Genuine Logitech Unifying Receiver-Wireless Mouse/Keyboard USB Dongle-6 Devices | eBay
Logitech Unifying Vs Non-Unifying Receiver (software in description) - YouTube