Play music from your Lights! Bright Tunes Indoor/Outdoor string lights have 4 built-in Bluetooth speakers to wirelessly play your music without any app or download. Perfect for any indoor décor, outdoor entertainment, dorm, or holiday gathering. Features include 80 lights and 4 speakers on 26 feet of cord, built-in Bluetooth technology to to wirelessly stream music from any Bluetooth enabled device. Connects to existing string lights regardless of style or brand. Connect up to 5 strands for surreound sound. UL approved wall plug and connection sockets.