Enjoy your music anywhere with the JBL Charge 4 Portable Bluetooth Speaker. With its waterproof construction, you can use the Charge 4 out by the pool or at the beach without worry. Even in a compact form factor, JBL packs high quality audio reproduction into the Charge 4 with a proprietary driver and twin JBL bass radiators for deep low-end sound. The Charge 4 wireless speaker can stream audio from your mobile device all day long, and you can expand the soundscape by linking it with other JBL Connect+-compatible speakers. It supports linking up with more than 100 different speakers, covering everything from a small backyard gathering to a large party. Wireless Bluetooth Streaming Wirelessly connect up to two smartphones or tablets to this speaker and take turns enjoying your favorite tunes. 20 Hours of Playtime Built-in rechargeable LiPo 7800mAh battery supports up to 20 hours of playtime and charges your device via USB Type-C port. IPX7 Waterproof Take the Charge 4 to the beach or pool without worrying about spills or even submersion in water. Aux Input If you want to listen to your favorite songs in private you can plug your headphones directly into the aux input. Durable and Rugged Fabric This speaker is wrapped in a durable and rugged fabric that is designed to protect your speaker in any environment. JBL Bass Radiator Dual passive radiators deliver powerful, ear catching JBL sound that resonates loud and clear.