1、This product has a USB interface, no driver, plug and play, very convenient. 2、Small size, easy to carry and store, convenient to use and with good performance. 3、The compact style and stylish shape are an unforgettable gift for your beloved, friends and even customers. 4、This U disk support for WinXP/7/8/10/Vista/Linux4/OS X 9.0 and above, etc. 5、Using high‑quality materials, strong and durable, has a long service life. 1 x U Disk Item Type: U DiskSystem: For WinXP/7/8/10/Vista/Linux 2.4/OS X 9.0 and above, etc.Interface: USB 2.0Speed: 12MB/SApplication: Backup files, videos, etc.The displayed capacity is different from the nominal capacity because the calculation method is differentManufacturer Standard: 1GB / 1000MB / 1MB = 1000KBRegarding Usable Capacity: Please Note The Memo Regarding Storage Product Capacity: 4GB = approximately 3.4GB- 3.8GB8GB= approximately 7.4GB- 7.6GB16GB= approximately 14.5GB- 15.5GB32GB= approximately 28GB-30GB64GB= approximately 58GB-60GB128GB= approximately 119GB-124GB256GB= approximately 249GB-250GB512GB= approximately 498GB-500GBSize: Approx. 39.9 x 14.1 x 11.2mm / 1.6 x 0.6 x 0.4in 39.9mm / 1.6in 14.1mm / 0.6in 11.2mm / 0.4in