Features‎:‎ 1‎.‎ Large capacity allows you to store every things you want‎.‎ 2‎.‎ Supports a stable and smooth data transmission with no data loss‎.‎ 3‎.‎ Made of high quality materials‎,‎ which enables this usb flash drive to work for a long time‎.‎ 4‎.‎ Mini size and light weight make it easy to carry‎.‎ 5‎.‎ This is a high‎-end encrypted storage that allows all your sensitive information to be managed only on a USB flash drive‎,‎ preventing information leakage‎.‎Specification‎:‎ Applicable models‎:‎ for iphone/iPad/ipod/itouch Operating system‎:‎ for IOS7.0‎-11.0 USB speed ‎(‎read‎)‎‎:‎ 20MB/S‎-21MB/S USB speed ‎(‎write‎)‎‎:‎ 12MB/S‎-21MB/s Apple interface rate ‎(‎read‎)‎‎:‎ 8mb/s‎-10mb/s Apple interface rate ‎(‎write‎)‎‎:‎ 6MB/S‎-8MB/s Capacity‎:‎ 32G‎,‎ 64G‎,‎ 128G‎,‎ 256G‎(‎optional‎)‎ Weight‎:‎ about 33g/1.16oz Material‎:‎ MetalPackage List‎:‎ 1 * USB Flash Drive 1 * Manual