LoopPay Fob (Blue) for iPhone 4/4s/5/5c/5s/6/6 Plus and Android OS 4.3 or higher Pay instantly with the press of a button by holding the LoopPay Fob next to where you normally swipe a credit card so you can leave your wallet at home. The LoopPay Fob uses patented LoopPay MST technology that allows existing credit card readers to accept contactless payments. The LoopPay Fob works at almost any store that uses a regular credit card swipe reader - there is no need to look for special equipment. Securely store and organize all your magnetic stripe cards on the LoopPay app on your smartphone - all your credit, debit, gift and loyalty cards - even a picture of your driver's license. LoopPay Fob can be locked by you based on timing and preference. The LoopPay app is PIN and password protected. LoopPay Fob also connects to your smartphone audio jack when needed to load all your cards onto your phone.