3.High-resolution optical sensor with adjustable sensitivity for accuracy and responsiveness
4.800 / 1200 / 1600 DPI: Featuring optical tracking smooth movement and adjustable DPI settings,
5.Long life battery:Powered by 450mAh li-ion battery, could be used more than 30 days for every time, charge time:3H, Micro android charge port, could charge by cell phone charge adapter
