Logitech MK520 Wireless Keyboard Mouse Combo with Unifying
Logitech - 920-002553 - Logitech MK520 Keyboard and Mouse - USB Wireless RF Keyboard - USB Wireless RF Mouse - Laser - - Walmart.com
Logitech MK520 Wireless Keyboard Mouse Combo with Unifying
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