JBL presents the JBL Charge 4, the portable Bluetooth speaker with powerful sound across the entire frequency spectrum and a built-in power bank for charging your devices. It features a JBL proprietary speaker driver, two JBL bass radiators and a powerful lithium-ion battery for up to 20 hours of playback time. Its powerful, rechargeable 7,500 mAh lithium-ion battery provides up to 20 hours of playback time. The speaker has a practical USB charging port for quick charging of your devices, such as your smartphone, so that you are always supplied with power. The Charge 4 features a robust design and IPX7 waterproof exterior and is available in a range of cool colours. Using JBL Connect+, it can be wirelessly connected to over 100 JBL Connect+ compatible speakers for a superior listening experience. Up to two smartphones or tablets can be wirelessly connected to the speaker and provide you with powerful sound. Take the Charge 4 to the beach or pool - it can withstand splashes and even submersion in water with ease. The integrated rechargeable 7,500 mAh lithium-ion battery provides enough power for up to 20 hours of playback time and charges devices via the USB port.