This Sonos Port audio streamer unit doesn't come with a power supply.

Using this Sonos Port Network Audio Streamer is easy. First, connect it to your network. You'll need to use your own power supply to get it running. When using, make sure it's in a well - ventilated area to prevent overheating. As for maintenance, keep it clean by gently wiping it with a dry cloth. Don't use any harsh chemicals. Also, check the network connection regularly to ensure smooth audio streaming. Remember, since it doesn't have a power supply, always use a compatible one to avoid any issues.