Introducing the JBL Charge 4 portable Bluetooth speaker with powerful full-spectrum sound. This premium entertainment device features a proprietary developed driver and two JBL bass radiators that intensify sound with strong deep bass. Its high-capacity 7500mAh rechargeable Li-ion battery provides up to 20 hours of playtime and the built-in power bank with convenient USB charge out quickly charges your devices, such as your smartphone, so you will never run out of power again. The Charge 4 features a rugged design, IPX7 waterproof rated exterior and comes in a suite of cool colors. Together with JBL Connect+, the Charge 4 can wirelessly link more than 100 JBL Connect+ enabled speakers to elevate your listening experience. Quality sound experience both at home and on the go is found with the JBL Charge 4.