3DPI SWITCH:Using high-performance optical chips, up to 1600 dpi(800, 1200, 1600), can be applicable to all kinds of games, accurately tracking.Adopt bluetooth 4.0 technology,built-in durable 450mAh Lithium polymer rechargeable battery,high cycle life, The charging time is about 1.5 hours, lasting use time, the Auto Switch Off function will help you save energy as your bluetooth mouse will switch off when your PC is turned off or the receiver is disconnected. If you do not use the mouse for eight minutes, it will go to sleeping mode, you can press the any button to weak it up. energy saving extremely low power consumption.support for Windows, Mac OS X, Linux, roid most other systems. suitable for PC notebook computers, macbook, windows tablets, roid tablet.contoured shape, Ultra Thin lightweight design, smooth surface ensure maximum comfort support for your h even after long working hours, The rubber scroll wheel makes sure that your h will not slip when scrolling,This bluetooth mouse can meet your dem of daily office working personal preference."