MFI Certified USB 3.0 high speed (The speed of 3.0 only showed if the test port is also with USB 3.0). Reading spead: 70M/S Writing speed: 18M/S Material: Alloy Aluminum+ABS Compatibility: for iPhone 6s/iPhone 6s Plus/iPhone 6/iPhone 6 Plus/iPhone 5s/iPhone5/iPhone 5c/iPad Air 2/iPad mini/iPad mini 2/iPad(4th generation)/iPod touch(5th generation), Android Smartphone (Android phone must with OTG function), Mac, PC, iOS 8 above.
