Powerful Party Sound From the first drop to the final track, feel every beat with deep, thumping bass powered by two 6.5 inch built in woofers. Party Lights+ Bring the vibe with five customizable modes and six lighting patterns that let your speaker shine. Up to 18 hours of playtime Let the beat blast for up to 18 hours with the built in battery perfect for late night gatherings or on the go adventures. When the battery runs low, just plug in your Sound Tower to keep the music going without missing a beat. Grip & Roll Take the party wherever you go thanks to built in, smooth rolling wheels. Splash-resistant IPX4 Have a blast outdoors. Whether it's light rain showers at a picnic or rogue splashes, keep the party going without worry. Bluetooth Multi Connection Simultaneously connect up to two devices to your Sound Tower via Bluetooth, and easily switch between your favorite playlists.