Piel Frama 525 Black Crocodile Magnetic Leather Case for Apple iPhone 4 / 4S iPhone 4S case with magnetic closure system that does not affect the functionality of your device. sync and charge through travel cable. These iPhone 4S cases have a completely rotable and removable belt clip for belt, handbag... (The knob is also removable) The Ultra Belt Clip is significantly stronger and offers more security than anything similar on the market. These iPhone 4S cases have 2 credit card slots and 1 money (notes) pocket.