UNU Power DX External Protective Battery Case for iPhone 4s/4 - Retail Packaging - Gold

Apple 'Made for iPhone' certified product - White case Charge and sync your iPhone 4 without having to remove it from the case Integrated LED power gauge for accurate display of remaining power Attractive Glossy White casing! 100% battery life to your iPhone 4 battery capacity or 85% to your iPhone 4SHere's the answer to keeping your new iPhone 4 or 4S safe from bumps, bruises and scrapes AND adding an additional 100% battery life to your iPhone 4 or 85% battery life to your iPhone 4S. Who's not going to dig that? It typically means and additional 8-10 hours of talk time and near 8 hours of web browsing on 3G (14 Wi-Fi) and it promotes twice the recharge speed as would be the case with a standard USB connection. All in a tough, durable protective shell. Keep all your iPhone4 goodness going strong when you're away from home for extended periods.