Features: 3-mode design, support BT 5.2, BT 3.0 and 2.4G wireless connection, easy to switch, free you from twisting cable. Adopt high-precision optical engine, fast response, accurate positioning. Er more→gonomic design, the mouse fits your hand, not easy to fatigue, comfortable to use. Silent button design, no need to worry about disturbing others. Built-in 500mAh rechargeable battery, long endurance time. Specification: Type: Optical mouse Color: Black/White/Gold/Rose Gold/Silver(optional) Transmission distance: 10m(barrier-free) Battery capacity: 500mAh Packing list: 1 * Mouse 1 * Charging cable