About JBL Charge 4 - Waterproof Portable Bluetooth Speaker
JBL CHARGE4 20 hours of playtime Built-in rechargeable Li-ion 7500mAH battery supports up to 20 hours of playtime and charges your device via USB port. Durable fabric material and rugged rubber housing allow your speaker to outlast all of your adventures. JBL Connect+ Amplify your listening experience to epic levels and rock the party perfectly by wirelessly connecting more than 100 wireless speakers. With a rugged design, IPX7 waterproof rated exterior, together with the speaker you will never run out of power again.