- check if the product is out of power and fully charge it
- re-code the product
- Please check if the indicator light come on when you charging, and try to charge with other cables that in same model to check if it can charge properly.
Please note: the battery of this set can be replaced with a 3.7V AA 14500 battery if it's defect.
Disconnect and turn off the keyboard to fully charge and then connect again.
Other common issues
- Re-plug the usb, or connect to another usb port;
- Antivirus on the computer or restart the computer to try again;
- Use the official version of the operating system;
- Reinstall the system.
Press the button on the mouse to adjust the DPI