If the earbuds won't charge:

1. Ensure the charging case has sufficient power;

2. Verify that the charging contacts on the earbuds make good contact with the charging case's charging pins. Try wiping the charging pins/contacts with alcohol;

If the charging case won't charge:

1. Check for dirt or moisture around the USB-C port. Keep the USB-C port dry and free of debris which may block the charging port during charging.

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