The Tronsmart Bang wireless bluetooth speaker is engineered to deliver clear, deep sound that’s powerful enough to fill a room and loud enough for outdoor adventures. The Tronsmart Bang portable Bluetooth speaker delivers thrilling sound even at top volume, thanks to two powerful subwoofers and two tweeters. Dual pumping passive radiators give you deeper bass that moves you. Want to take your music outside? The handle makes it easy, while the rugged rubber bumpers and IPX6 waterproof rating mean that a sudden downpour or a dunk in the lake won't stop the fun. When it's time to create an even bigger audio experience, pair two Bangs for more powerful sound. Full day of playtime and a convenient power bank for your device mean you won't have to recharge until morning. All this, plus it support Tronsmart app, so you can customize your own sound according to your preferences. The Tronsmart Bang brings thrilling sound with you—everywhere.