Product details of Booms Box Portable Wireless Speakers Made to be the most powerful, portable Bluetooth speaker,Boombox delivers monstrous sound along with the hardest hitting bass Enjoy music for 24 hours without missing a beat Use the massive 6,000mAh battery and dual charge out to charge your external devices anytime and keep music rocking Rugged enough to handle your wildest tailgate party, the Boombox is IPX7, which withstand any weather and even the most epic pool parties Incorporated four active transducers and two bass radiators, Boombox delivers monstrous sound along with hardest hitting bass that you will not only hear but also see