Hear nothing but just truth with JBL Charge! It is easy to connect and produces true to life audio quality. The JBL stereo speaker offers more than 12 hours of continuous audio playback. The best part about it is that it plays for more than 12 hours only with one time charging. It is possible because the Charge has a built-in, high capacity, 6000 mAh Lithium-ion rechargeable battery.