Iphone 4 Battery Case

iPhone 4 Battery Case with up to 4 hours talk time and internet use in 3G network (7 hours in 2G). Rechargeable 1700mAh lithium polymer battery.Fully recharges thru USB to micro USB (cable included) in 3 - 3.5 hours. Syncs your iPhone to iTunes directly. No need to remove the iBatteryCase. Cover design provide complete protection for the iPhone top, bottom sides and corners. Reinforced 2 piece designs latches securely provide easy on and easy off protection. On off control to recharge at your discretion. 4 LED charge status indicator