Ultra Slim 4200mAh Charging Case For iPhone 5S 5C 5 Backup Power Pack Battery Extender -Apple Green 4200mAh Power Battery Case For iPhone 5,5S &5C Ultra-Thin design ,perfect match your phone Built in clip stand for video watching or face time Built in femail 8 pin lightning port for case battery recharge Easy and simple to use, various colors availalbe for your option