Charge or sync your Apple devices even when inside a protective case;Apple MFi certified;Charge your Apple devices from a computer or USB wall charger or vehicle USB charger;Standard 1m length makes it a perfect replacement for damaged or misplaced Apple 30-pin cables;Stepped Apple dock connector connects to your device even while inside its protective case;iPhone 4 Cable / iPod 30-pin Cable / iPad 3 Cable;Compatible with Apple iPhone 4 / iPhone 4s / Apple iPad 3 / Apple iPod 4th gen