Our All JBL Factory Certified Pre-owned Product sold by World Wide Stereo is to perform “ as new and is backed by a one-year parts and labor serviceable by any authorized JBL service center. Play and Charge EndlesslyIntroducing the JBL Charge 4 portable Bluetooth speaker with full-spectrum powerful sound and a built-in power bank to charge your devices. It 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. The speaker carries a convenient USB charge out to quickly charge 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+ it can wirelessly link more than 100 JBL Connect+ enabled speakers to elevate your listening experience. FeaturesWireless Bluetooth streaming20 hours of playtimeIPX7 waterproofJBL Connect+Durable fabric and rugged materialJBL Bass RadiatorWireless Bluetooth StreamingWirelessly connect up to 2 smartphones or tablets to the speaker and take turns enjoying powerful sound. 20 Hours of PlaytimeBuilt-in rechargeable Li-ion 7500mAH battery supports up to 20 hours of playtime and charges your device via USB port. IPX7 WaterproofTake Charge 4 to the beach or the pool without worrying about spills or even submersion in water. 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 and Rugged MaterialThe durable fabric material and rugged rubber housing allows your speaker to outlast all of your adventures. JBL Bass RadiatorDual passive radiators deliver powerful ear catching JBL sound that resonates loud and clear. What's in the BoxCharge 4 Portable Bluetooth SpeakerType C USB cableQ