Refurbished: Logitech Recertified 920-006255 Living-Room K410 Black USB RF Wireless Standard Keyboard - Newegg.com
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