1. Use a soft, lint-free cloth to clean the recorder body and remove surface dust.

2. If the recorded sound is too low, use a soft brush to gently sweep the microphone hole and remove the obstructions.

3. If charging is unstable, use a lint-free cloth to clean the charging contacts inside the charging compartment and on the recorder.

If you encounter any other issues or your issue has not been resolved, please contact us for further assistance.