Logitech Unifying Receiver for Connecting Multiple Devices
Best Buy: Logitech USB Unifying Receiver 910-005235
Logitech Unifying receiver - Wikipedia
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 : Amazon.co.uk: Computers & Accessories
Brand new - Logitech Unifying Receiver for keyboard & mouse | eBay
Logitech USB Pico Unifying Receiver (005934) | Harvey Norman Singapore
Logitech Unifying USB Receiver for Wireless Mouse and Keyboard, 6-Device (910-005235) | Staples
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 : Amazon.co.uk: Computers & Accessories
Logitech USB Unifying Receiver : Amazon.co.uk: Computers & Accessories