Stable and Fast Bluetooth Connection: Advanced built-in sensors, no need to install drivers or software, just search for Bluetooth devices and connect. Stable automatic connection every time you start your computer (compatible with Bluetooth 5.0/4.0/3.0/2.0). Available in black and white. Silent Click: 90% less noise, you can barely hear it when your computer is running, making it a perfect mouse for the office, home, and leisure. Ergonomic and comfortable to hold, the surface coating provides a soft touch. It won't stick even if you sweat. Rechargeable Lithium Battery: The mouse comes with a USB cable for charging, so it can be used even while charging. If the battery is low, the cursor will be inaccurate and Bluetooth will disconnect. A two-hour charge lasts 3-4 weeks, and it automatically sleeps when not in use. The mouse battery may be depleted due to long-term transport. Please charge the mouse as soon as you receive it. Notes for Connecting to a MAC: Turn on Bluetooth - Long press the "Connect" button on the mouse - Click on the MAC mouse - Click OK (no code pin required). Super Compatible: Compatible with Windows, iPad/iPhone (iOS 13.1.2 or later), Mac OS X (not for Mac OS 10.13.3 and Mojave), Android, and Linux, Macbook, Tablet, Lenovo, Asus, HP, Surface, etc. Portable and Easy to Handle: The lightweight 69g mouse is easy to control and fits neatly into a laptop bag, making it perfect for on-the-go use. 3 adjustable DPI levels (800-1200-1600 DPI) give you the freedom to control mouse speed. Its shape allows it to be used with either the right or left hand.