Firstsing BOOMBOX Bluetooth Portable Speaker with 4400mAh Battery power bank Waterproof

Use the massive 4400mAh 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 waterproof, which withstand any weather and even the most epic pool parties.
Wirelessly connect up to 2 smartphones or tablets to the speaker and take turns playing impressive stereo sound.