Logitech MK550 Wireless Wave Black Keyboard And Mouse - 920-002555 - Abt
Amazon.com: New Logitech Unifying USB Receiver for keyboard K230 K250 K270 K320 K340 K350 K750 K800 : 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