Features: 1.Support for Windows 7 / 8 / 10 / Vista / XP / Unix / 2000 / ME / for Linux NT / for Mac OS USB2.0. 2.Wide usage, such as data storage, transmission and sharing of music, photos, movies, designs, manuals, handouts, homework, etc. 3.A?Class chip U disk, all U disk have undergone double rigorous testing, stable and reliable performance, to ensure safe use. 4.Can be used as a practical gift to your family, friends, students, teachers, neighbors, colleagues. 5.You can store some pictures, music, movies and good memories in it and give them a big surprise. specification:Item Type: U Disk Material: Metal Compatible System: For Windows 7 / 8 / 10 / Vista / XP / Unix / 2000 / ME / for Linux NT / for Mac OS, Etc. Scope of Application: Data storage, transmission and sharing of music, photos, movies, designs, manuals, handouts, homework, etc. PackageList:1 x U Disk NoteManufacturer standard: 1GB / 1000MB / 1MB = 1000KB Regarding usable capacity: Please note the capacity of storage products: 16GB=approximately 14.5GB?15.5GB 32GB=about 28GB?30GB 64GB=approximately 58GB?60GB 128GB=approximately 119GB?124GB