Bluetooth audio where you want it: JBL charge 3 is the ultimate, high-powered portable Bluetooth speaker with powerful stereo sound and a power bank All in one package. Charge 3 takes the party everywhere, poolside or in the rain, thanks to the waterproof design, durable fabric, and rugged housing. It's 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-canceling speakerphone give you crystal clear calls with the press of a button. Wirelessly link multiple JBL connect-enabled speakers to amplify the listening experience. wireless Bluetooth streaming: wirelessly connect up to 3 smartphones or tablets to the speaker and take turns playing powerful stereo sound. 6000mAh power bank: Built-in rechargeable li-ion battery supports up to 20 hours of playtime and charges smartphones and tablets via USB. Speakerphone: Take crystal clear calls from your speaker with the touch of a button thanks to the noise and echo-canceling speakerphone. IPX7 waterproof: No more worrying about rain or spills; you can even submerge Charge 3 in water. JBL Connect: Build your own ecosystem by connecting multiple JBL Connect enabled speakers together to amplify the listening experience. Lifestyle materials: The durable fabric material and rugged rubber housing allows your speaker to outlast all of your adventures. JBL bass radiator: hear the bass, feel the bass, see the bass. Dual external passive radiators demonstrate just how powerful your speakers are.