The AudioWizard shower music system from Mr. Steam is engineered for music lovers who demand high-quality sound throughout their homes. With the touch of a button, the wireless unit connects to nearly any smart phone or other audio device via Bluetooth, retaining up to eight devices in memory. Set it once, and whenever one of eight devices is in range, it will automatically sync with the control unit. Features include the ability to select tracks and control volume from inside the shower, safely and reliably. It is customizable with up to four speakers, and delivers 40 watts per channel (up to four channels).