Sylvania Lifetunes Music System Built-in 2-1/2" speakers and 4" subwoofer on board; functions include pre-programmed light sequences; music synchronization on/off Six-outlet light controller: hook up to six light strings at once Indoor/outdoor: use 50 meter range clear sight line range Free app download lets you control lights/music with multiple timer setting from your wireless device Compatible with iPhone, Android, and other smart phones and tablets 10 Light shows included