Compatibility with:For IOS: For iPhone5/5s/5c/6/6plus/6S/6S plus/7/7Plus/8/XFor iPad4/Air/Mini/Mini2For Android: For Samsung S3/4/5，For Note2/3/4 and so onFeatures:1.External expansion for IOS/Android/PC.2.Equipped with USB3.0 .3.Support files Encryption.4.Support manage Data directly.(Create， copy， move，delete， rename， open and so on)5.Support Playback Videos/Music directly.6.Support Backup Contact information list.7.Format support:common image format，such as MP3，MP4，Mov，MPEG-4，flv，RM，RMVB and other video and audio format.Maximum support 1080P.mp4 video format.8.Support copy the file form mobile HD.Support files Encryption/decryption HD9. HD is good equipment for TV fan，HD video，lossiess music lovers.Tips:Flash memory vendors are using decimal arithmetic:1MB = 1000KB，1G = 1000MBcalculated， the operating system using binary arithmetic:1MB = 10B，1GB = 1024MB;so there are some differences between display capacity and nominal capacity of flash memory product·?4GB=approximately 3.6GB-3.8GB·?8GB=approximately 7.2GB-7.6GB·?16GB=approximately 14.4GB-14.8GB·?32GB=approximately 28GB-30GB·?64GB=approximately 58GB-60GB·?128GB=approximately 110GB-120GB· 256GB=approximately 230GB-250GB· 512GB=approximately 460GB-500GB