Using this converter is easy. First, connect the converter to your audio device using the appropriate cables. Make sure to plug in the correct power supply that comes with the product. This will ensure it functions properly. When using, keep it in a dry and cool place. Avoid exposing it to direct sunlight or extreme temperatures. For maintenance, simply use a dry cloth to wipe the surface regularly. Don't use any harsh chemicals on it. If you encounter any problems, refer to the user manual or contact customer support.