Logitech MK520 Wireless Keyboard Mouse Combo with Unifying
Logitech MK520 Wireless Keyboard and Mouse Combo — Keyboard and Mouse, Long Battery Life, Secure 2.4GHz Connectivity - Newegg.com
YR0012 2.4GHz Cordless keyboard User Manual Manual 3 Logitech Far East
Amazon.com: Logitech MK520 Wireless Keyboard and Wireless Mouse Combo — Full Size Keyboard and Mouse Long Battery Life Secure 2.4GHz Connectivity Black : Electronics