Wireless keyboard keeps you free from all the clutter Advanced 2.4 wireless technology provides up to 10m of wireless connectivity The full-size keyboard with number pad, nine F-keys, and directional keys simply ease your typing work Eight hot keys provide quick access to the internet, e-mail, music audio control, and more Compatible Windows operating system include Windows XP, Windows Vista, Windows 7 or later Uses two AAA batteries (included) for months of continuous use, and on/off switches to save battery usage