Pack of 3 Logitech Wireless Unifying USB Receiver Dongle for Keyboard & Mice | eBay
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
Logitech Unifying Receiver for Connecting Multiple Devices
Logitech USB Unifying Receiver Dongle for Mouse & Keyboard 910-005235 | eBay
What is Unifying? - Logitech
Replacement Unifying Receiver for Logitech Wireless All-in-One Keyboard TK820 Sh | eBay
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
Zone Wireless Plus Unifying + Audio Receiver
Logitech Unifying Receiver for Connecting Multiple Devices
Brand new - Logitech Unifying Receiver for keyboard & mouse | eBay
Amazon.com: SummitLink Unifying Receiver for Mouse and Keyboard Compatible for Any Logitech Product That Display The Unifying Logo (Orange Star, Connects up to 6 Devices) B083J7DYDT : Electronics
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