Uniquely designed with comfort in mind. Non-slip, rubber grip texture. Adjustable 800-1600DPI high definition optical sensor. 2.4Ghz USB Nano Receiver. No pairing required; Plug & Play via USB nano receiver. Easy storage for Micro Receiver under the mouse. Auto power function, saves and prolongs battery life; ON/OFF switch. Low battery indicator. Operating range up to 10 meters.