Description: Keep your iPhone or iPod powered or charged whenever and wherever you need it. Small enough to slip in a pocket or stay attached to your device. LED battery meter displays remaining power level. Cap can be used as kickstand to prop up your iPhone or iPod in portrait or landscape orientation. Includes retractable USB charging cable to recharge battery pack. Extends play time up to 15 hours of music, 4 hours of video or 3 hours of talk time.