Logitech MK550 Wireless Keyboard and Maouse ( HW5217 )
Logitech MK550 Unifying Wireless Wave Keyboard and Mouse
Wireless Desktop Kit, Unifying USB Receiver, Comfort Wave Design, Full Size Keyboard, Laser Mouse: 2x AA Battery (Included), Keyboard: 2x AA Batteries (Included), Up to 24 month mouse battery life, up to 48 month keyboard battery life