Prong 01040101 Black PocketPlug Case + Charger In-One for iPhone 4 / 4S Type: Case + Charger In-One Compatible Phone Manufacturer: Apple Features: Stay charged up anytime, anywhere thanks to the durable and cool Prong PocketPlug case for the iPhone 4 / 4S. It's the first smartphone case to feature an integrated wall charger: just flick up the plugs and plug right in. No cords needed. Made of high grade PC and is extremely durable. CUL, FCC and Mfi compliant Incorporates the most portable charger on the market