Comes with a proper power supply for seamless operation.

Using this Williams Sound WaveCAST WF R1 Wi - Fi Receiver is easy. First, connect it to the correct power supply that comes with it. Plug the power supply into a suitable electrical outlet and then connect it to the receiver. When using, make sure it is in an area with good Wi - Fi signal. Don't place it near strong electromagnetic interference sources like large electrical appliances. For maintenance, keep it clean by using a soft, dry cloth to wipe the surface regularly. Avoid getting it wet or exposing it to extreme temperatures. If you have any problems, contact the manufacturer's customer service.