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
Zone Wireless Plus Unifying + Audio Receiver
Best Buy: Logitech USB Unifying Receiver 910-005235
Logitech USB Unifying Receiver | 2.4 GHz, 6 Wireless Devices
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