The Only Two Way Storage Device Between iOS and Mac/Pc. Free App From App Store For Communication Between Yours i-Devices and i-Flash Drive. File Management,Music Play and contact backup are fully built-in. Compatibility With: iPhone 5/iPhone 5S/iPhone 5C/iPhone 6 6S/iPhone 6 6S Plus iPad 4/iPad Air/iPad mini/iPad mini 2 iPod Touch 5 Note: Not Compatible With iOS 9. How To Use: You will need to firstly download i Stick app from the App Store. Plug and play, just plug into your device and you can freely transfer file between phone and memory card.