The Ultimate Ears Megaboom 3 is an extremely powerful, wireless speaker. It delivers loud, clear, and room-filling 360° sound with rich, booming bass. The perfectly balanced sound output makes every single note audible. The Megaboom 3 is also completely waterproof, dustproof, and drop-resistant, always ready for an adventure. Whether snowboarding in the mountains or breakdancing with a final jump into the pool, you can always rely on the Megaboom 3. Additionally, the Magic Button allows you to play, pause, and skip songs with just one press. This cool technology is protected by a fantastic, two-tone high-performance coating. It sets the standard for ultimate party vibes. No more annoying cables. With Ultimate Ears Power Up, charging the Boom 3 and Megaboom 3 has never been easier or more convenient. After a day at the beach or a night of partying, you can simply place the speakers on the charging dock and keep the music going. The sleek design of Power Up fits any decor and looks fantastic when combined with the colors of the Boom 3 and Megaboom 3.