Here are the instructions on how to use the mouse:
1. Before using the mouse for the first time, charge it for approximately 2 hours.
2.Take out the USB receiver, which is stored at the bottom of the mouse, and turn on the mouse.
3. Insert the USB receiver into an available USB port on your device.
4. Wait a few seconds then you can start using the mouse.

Note:
1.If your computer has a Type-C port, you may need to use a Type-C adapter to connect the mouse to your device.
2.If you experience slow cursor movement or the mouse stops working, try charging the mouse.
3.While the mouse is charging, a blue light at the gap of the scroll wheel will turn on and will go out when the mouse is fully charged,around 3 hours.
4.It is recommended to use the USB interface on your computer to charge the wireless mouse.
Please follow these instructions to set up and use your mouse effectively.