about this project Rechargeable Wireless Mouse: Built-in 500mAh high-quality rechargeable battery means you can charge it anytime. If you leave the mouse for more than 5 minutes, the mouse will automatically enter sleep mode to save power for the mouse. Click any key to wake up the mouse again (Note: Please charge the new mouse for 1 hour before using it). Silent click (left and right buttons): The left and right buttons of the laptop mouse are silently clicked, suitable for using the mouse in public places such as libraries, dormitories, offices, etc., except for charging and blue light indication. Shut down after fully charged. With this design, you dont have to worry about disturbing others 6 high-efficiency buttons: not only the left and right buttons without clicking, but also the DPI adjustment button, scroll wheel and two side buttons (non-mute). The function of the side button is to help you go back or forward when browsing the website, and the USB mouse with the side button is more convenient for you to surf the Internet and work