Charge your iPhone/iPod on the go. This 1000mAH Li-Ion battery pack extends your talking time up to 3 hours, video watching time up to 6 hours, music playing time up to 30 hours. It also features LEDs for indicating charging and remaining battery life. Innovative and compact design, lightweight features make it fit for your pocket, purse or briefcase. It's a great solution for long flights, hikes, camping, or for anytime you don't have access to an AC outlet. A Test button is equipped which shows the power remaining.