Enhance your listening experience with this JBL Charge4 blue portable Bluetooth speaker. Ideal for use outdoors, this speaker provides up to 20 hours of playback per charge and resists impacts and inclement weather with a rugged IPX7-rated chassis. This JBL Charge4 portable Bluetooth speaker features an advanced driver and two bass radiators for powerful, lifelike audio. 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.