The 400mAh rechargeable battery is built-in. Charge 1 hour to work for 2880 hours. 10 meters working distance. 2.4 GHz wireless connectivity. Easy Operation: Comes with a nano receiver on the back of the mouse. 3 adjustable DPI levels (800-1200-1600 DPI) let you control the mouse speed freely. Classic design: suitable for handling by both hands based on symmetry design, shape thin and the click of silence. 1 year warranty: Replace new product within the warranty period.
