The ultimate portable party speaker. Delivering powerful 360° sound and thundering bass without sacrificing balance and clarity. With a massive 20 hours of sound on a single charge, so you can BOOM all day long. With a wireless range of 147 feet (45 meters) and drop protection of up to 3.28 feet (1 m), it's safe to say that MEGABOOM 4 is made to move. It's drop-proof, waterproof, and virtually indestructible. Use the MAGIC BUTTON to play, pause, skip, and control your streaming music directly. Set up one-touch playlists on your favorite streaming platforms. 360-degree sound: The MEGABOOM 4 portable waterproof Bluetooth speaker features a bigger size and a full range driver for powerful 360-degree sound and thundering bass with great balance and clarity. 20 hours of boom: This waterproof portable speaker has a massive 20-hour battery life and advanced cell technology, so you can boom all day long. Virtually indestructible Bluetooth waterproof speaker: A floating Bluetooth speaker that's rated IP67 waterproof and ensured to make a splash at your next pool party. Made with recycled plastic: The plastic parts in the Ultimate Ears MEGABOOM 4 wireless Bluetooth speaker include a minimum of 54% post-consumer recycled plastic by weight.