Logitech Unifying Receiver for Connecting Multiple Devices
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 USB Unifying Receiver – ALL IT Hypermarket
Logitech Unifying Receiver for Connecting Multiple Devices
Logitech Unifying Receiver 1-6 Devices USB Dongle for Wireless Keyboard MouseのeBay公認海外通販|セカイモン