Amazon.com: Logitech MK550 Wireless Wave Keyboard and Mouse Combo - Includes Keyboard and Mouse, Long Battery Life, Ergonomic Wave Design, Black : Electronics
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