Logitech Unifying Vs Non-Unifying Receiver (software in description) - YouTube
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
Amazon.com: Logitech C-U0007 Unifying Receiver for Mouse and Keyboard Works with Any Logitech Product That Display The Unifying Logo (Orange Star, Connects up to 6 Devices) (C-U0007) : Electronics
Amazon.com: Logitech Wireless USB Nano PC Receiver Cu0010 Dongle C-11077 Adapter for Keyboard and Mouse, Non-Unifying 993-001106 : Electronics
Logitech Unifying Receiver USB Dongle C-U0010 TESTED | eBay
200pcs Of Logitech Unifying Receiver For Mouse And Keyboard To Six Devices - Buy Logitech Receiver,Wireless Receiver Dongle,Logitech Unifying Receiver Product on Alibaba.com
Solaar' Lets You Manage Logitech's Unifying Receiver on Linux - OMG! Ubuntu
Logitech Wireless 2.4Ghz USB NANO Dongle 1 to 1 / 1 to 6 Unifying Receiver | eBay