Unlimited freedom with wireless. 2.4GHz wireless technology 10 meters of effective working distance. Delicate, compact, comfortable and quiet. Mouse buttons with silence switch, quiet and efficient work. Adjustable Resolution. Three levels of adjustable DPI(1000/1200/1600) to meet different users. High efficiency and energy-saving. Built-in large-capacity rechargeable battery (14500 can be used continuously for many weeks on a single charge. When there is no operation, it will automatically sleep, smart and save power.