1.Bluetooth4.0 Stably and fast connected: Built-in advanced sensor, no need to install any driver or software, just open bluetooth on device and connect it. connection automatically every time when open your computer (compatible bluetooth 4.0 or 3.0 or 2.0 ). if you use wireless mouse on iPad or iPhone,please upgrade IOS to 13 or higher,1: open bluetooth 2click: Setting-Accessibility-Touch-Assistive touch (open it) -Devices-find and connect "Bluetooth mouse"-Enter match code '0000' or '12342.Silent Click: Reduce noise by up to 90 percent , Almost no noise when your computer is running, ideal Mouse for office, home and leisure. Ergonomic and comfortable grip, The surface coating gives you a soft touch.3.Rechargeable with lithium battery: ANEWISH Mouse is supplied with a USB cable for recharging, you can use it even when recharging. Battery low will cause the cursor to be inaccurate and Bluetooth to disconnect.The two-hour charger allows use of 3-4 weeks, standby in automatically when not use.The mouse's battery may be exhausted due to long-term transportation, Please charge the mouse after received4.Super compatibility: Compatible with Windows, iPad or iPhone(iOS 13.1.2 and later version), Mac OS X (not for Mac OS 10.13.3 and Mojave system), Compatible with Android and Linux.Macbook, Tablet, Lenovo, Asus, HP, Surface, etc. 5.Portable and Easy to Use: lightweight mouse, Easy to control, is easy to store in a laptop bag, which is perfect to take it with you. 3 adjustable DPI levels (800-1200-1600 DPI), allow you to freely control the speed of the mouse. And the shape allows right hand or left hand to use. Its matt black color makes it even more beautiful