Keep your music playing through parties, barbecues and days at the beach with this JBL Charge 4 portable Bluetooth speaker. A waterproof design and rubber housing make this speaker ideal for outdoor use. A built-in power bank lets you charge portable devices, and Bluetooth connectivity means you can pair two smartphones or tablets for access to streaming content. This JBL Charge 4 portable Bluetooth speaker boasts dual passive radiators for crisp, clear audio quality. Wireless Bluetooth streaming Wirelessly connect up to two smartphones or tablets to the speaker and take turns enjoying powerful sound. Rechargeable battery The built-in rechargeable lithium-ion polymer battery supports up to 20 hours of playtime and charges your device via a USB port. IPX7 water-resistant Take Charge 4 to the beach or pool without worrying about spills or even submersion in water. JBL Bass Radiator Dual passive radiators deliver powerful, ear-catching JBL sound that resonates loud and clear. JBL Connect+ Amplify your listening experience to epic levels and rock the party perfectly by wirelessly connecting more than 100 JBL Connect+ enabled speakers. Durable fabric material and rugged rubber housing Allow your speaker to outlast all of your adventures.