Features: 1.Support USB 2.0 and 1.0 version, support hot plug, durable, no external power supply 2.With strong compatability, the disk support for Windows 7 for 8 for 10 for Vista for XP for Unix for 2000 for ME for NT for Linux for OS X, and other systems 3.Can be used for data storage, transmission, and sharing of music, photos, movies, design, manual, lecture, homework, etc. 4.With strong metal protection cover, earthquake prevention, can effectively prevent crash 5.The appearance is small and cute, the workmanship is exquisite, can be given as a good gift to relatives and friends specification:Item Type: U Disk Material: Metal Colour: Black Compatible System: For Windows 7 for 8 for 10 for Vista for XP for Unix for 2000 for ME for NT for Linux for OS X, etc. Scope of Application: Data Storage, Transmission, and Sharing of Music, Photos, Movies, Design, Manual, Lecture, Homework, etc. PackageList:1 x U Disk NoteManufacturer calculation standard: 1GB=1000MB or 1MB = 1000KB Note about available capacity: 16GB=About 14.5GB to 15.5GB 32GB=About 28GB to 30GB 64GB=About 58GB to 60GB 128GB=About 119GB to 124GB