Enjoy a huge 80W of sound delivered by a 5.25-inch woofer, 2-inch tweeter, and 5.25-inch passive radiator. BassUpTM technology adjusts and intensifies low frequencies in real time for a body-shaking experience. The water-tight casing creates an impenetrable seal to keep the music playing, even after full submersion. Rave Mini's LEDs pulse, phase, and flow in time to the beat to create a dazzling display. Use Light DJ on the Soundcore app to control the lights and switch up your style. 18-Hour Playtime. And if your phone can't keep up, plug it into the built-in USB port and charge while you play. Soundcore App: Up the stakes with electrifying party games, tailor the EQ and lights, and switch between Indoor and Outdoor sound modes.