Features: 1.Class A chips for stable and reliable performance, fast data transfer with higher working efficiency. 2.Compatible for Windows 7/8/10 / Vista / XP / 2000 / ME / for Linux 2.6 and for Mac OS standards. 3.Applicable to all USB?A or USB 2.0 port devices, such as desktops, laptops, tablets, TVs, speakers. 4.Take the premium U disk as a special gifts to your family, friends, students, teachers, neighbors, colleagues. 5.A better choice to show your heart by storing some pictures, music, movies and good memories in it. specification:Item Type: U Disk Material: ABS Compatibility: Suitable for Windows 7/8/10 / Vista / XP / Unix / 2000 / ME / for Linux 2.6 / for Mac OS etc. 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 About usable capacity: 16GB = approximately 14.5GB?15.5GB 32GB = approximately 28GB?30GB 64GB = approximately 58GB?60GB 128GB = approximately 119GB?124GB