Using this pair of Meyer Sound M'elodie loudspeakers is easy. First, connect the speakers to the correct power supply that comes with them. Make sure the power switch is turned on. Then, connect your audio source, like a music player or a mixer. You're ready to enjoy high - quality sound. When using, avoid placing the speakers in extremely hot or cold environments as it may affect their performance. Also, keep them away from water. For maintenance, regularly wipe the speakers with a soft, dry cloth to remove dust. If you notice any issues, contact the manufacturer's customer service for help.