Boost Case Power Kickstand Extended Battery Pack and Dock for iPhone 4 Verizon/AT&T Foldable dock perfect for hands-free movies, FaceTime, Skype Built-in Extended Battery (2000 mAh) More than Doubles Time for iPhone 4, Fits Verizon and AT&T Included Micro USB cable for simultaneous sync and charging On/Off Power Control Apple certified Made for iPhone product and OTA certified