The Micro Innovations Wireless Classic Keyboard is designed for speed and comfort. It has a reception range up to 30' and features low-profile keys and an adjustable height. Long battery life will have you using this keyboard for up to eight months. The mouse has optical sensing technology and a comfortable textured grip. It is ideal for right- and left-handed users. The Micro Innovations keyboard is compatible with both PC and Mac operating systems. Included with these computer accessories is a nano dongle, two AAA and two AA batteries.