Charge 3 waterproof portable Bluetooth speaker charge 3 is the ultimate, high-powered portable Bluetooth speaker with powerful stereo sound and a power bank All in one package. The charge 3 takes the party everywhere, poolside or in the rain, thanks to the waterproof design, Durable fabric and rugged housing. Its high-capacity 6, 000mAh battery provides 20 hours of playtime and can charge your smartphones and tablets via its USB output. A built-in noise and echo-cancelling speakerphone gives you crystal clear calls with the press of a button. Wirelessly link multiple connect-enabled speakers to amplify the listening experience.