Memory Express Computer Products Inc. - Connect the Logitech MK540 Wireless Desktop Keyboard & Mouse all with one unifying receiver, with a wireless connection of up to 10 meters away without delays
Logitech MK710 Wireless Keyboard + Mouse Combo, 2.4 GHz Frequency/30 ft Wireless Range, Black - Envision Xpress
Logitech Cordless Desktop Express Combo Model Y-RQ57 Keyboard Mouse and Receive | eBay
Logitech Cordless Desktop Express Combo Model Y-RQ57 Keyboard Mouse and Receive | eBay
Logitech MK710 Wireless Desktop Keyboard and Mouse Combo - Black - Micro Center