3 DPI switches: Use high-performance optical chips, up to 1600 dpi (800, 1200, 1600), applicable to all kinds of games. Adopts Bluetooth 4.0 technology, built-in 450mAh lithium polymer rechargeable battery, high cycle time, charging time is around 5 hours, very durable, auto power off function, helps you save energy as the Bluetooth mouse turns off when your device is off or the receiver is unplugged. If you go eight minutes without using it, the mouse will go to sleep. You can press the button to reactivate. Energy saving and extremely low power consumption. Support for iPad IOS 13 or above, Windows, Mac OS X, Linux, Android and many other systems. Suitable for PCs and laptops, MacBook, Windows tablets, Android tablets. Contoured shape, ultra-thin and lightweight design, smooth surface providing maximum comfort and support for the hand, even after working for long hours, the rubber scroll wheel ensures that the hand does not slip while scrolling. This Bluetooth mouse can meet your daily office work demand and personal preferences.??