Wireless Bluetooth Streaming Wirelessly connect up to 2 smartphones or tablets to the speaker and take turns playing impressive stereo sound. High-capacity 20,000mAh rechargeable battery Built-in rechargeable Li-ion battery supports up to 24 hours of playtime and charges devices via dual USB ports. IPX7 waterproof Take Boombox to the beach or pool without worrying about rain, spills or submersion in water. JBL Connect+ Amplify your listening experience and rock the party by wirelessly connecting more than 100 JBL Connect+ enabled speakers.