JBL Charge 4 Portable Bluetooth Speaker Camouflage Processor Speed__3.50 GHz or to the beach Size__9 or to the beach & Marquee Series **Requires SB CMS0406 and SB CMS115** Bass Radiators: Dual passive radiators deliver powerful ear catching JBL sound that resonates loud and clear Durable and Rugged Design: The durable fabric material and rugged rubber housing allows your speaker to outlast all of your adventures Long Lasting Battery Life: Built in rechargeable Li ion 7500mAh battery supports up to 20 hours of playtime and charges your device via USB port IPX7 Waterproof: Take the JBL Charge 4 to the beach or the pool without worrying about spills or even submersion in water