✪✪3DPI GEAR: Uses high-performance optical chips, up to 1600 dpi (800, 1200, 1600) accurate tracking, to meet different needs.✪✪Adopts Bluetooth 3.0/5.2 technology, built-in durable 500mAh lithium polymer rechargeable battery, long lifespan. Charging time is about 1.5-2.5 hours, long-lasting usage time. The automatic shutdown function helps you save energy as your Bluetooth mouse turns off when your computer shuts down or the receiver is disconnected. If you don't use the mouse for eight minutes, it enters sleep mode; you can press any button to wake it up. Energy-saving and extremely low power consumption.✪✪It is compatible with Mac OS Windows /Win8/10/ and is suitable for desktop/iPad/notebook/Mac MacBook Pro/Air (2017/2018/2019/2020/2021) iMac and other devices.✪✪Contoured shape, ultra-thin and lightweight design, smooth surface ensures maximum comfort and support for your hand even after long working hours. The rubberized scroll wheel ensures your hand won't slip when scrolling. This Bluetooth mouse can meet your daily office work requirements and personal preferences.