Wireless Mouse: Built-in high quality rechargeable battery, full charge can last up to 500 hours, easy to charge via micro USB cable (full charge about 2 hours) farewell to traditional AAA disposable battery. < / p> 2.4GHz Wireless Data Transmission: Advanced 2.4G wireless technology supports stable connection and precise tracking, and the working distance can be up to 10 meters. Play and insert. DPI level (1600) can change freely mouse speed, eliminate delays and disconnects, and can be applied to home games. 4 effective buttons Auto Sleep and Power Saving: The laptop mouse will automatically enter sleep mode after 3 minutes of inactivity to save power. It is reactivated by a slight movement.