Item Type: U Disk Support PC Mode: All brands of PCs, laptops, for HP/Dell/Toshiba, etc. Support for Windows 98/Me/2000/XP/OS X 9.x/OS X/Linux2.4.x etc. Interface: USB2.0 Speed: 12MB/S Application: Backup files, videos, etc. The displayed capacity is different from the nominal capacity because the calculation method is different Manufacturer Standard: 1GB / 1000MB / 1MB = 1000KB Regarding Usable Capacity: Please Note The Memo Regarding Storage Product Capacity: 4GB = approximately 3.4GB-3.8GB 8GB= approximately 7.4GB-7.6GB 16GB= approximately 14.5GB-15.5GB 32GB= approximately 28GB-30GB 64GB= approximately 58GB-60GB 128GB= approximately 119GB-124GB 256GB= approximately 249GB-250GB 512GB= approximately 498GB-500GB Applicable Models: PCs of various brands and compatible computers, for Macintosh/PowerBook, tablet computers with OTG function, for IOS. 1、The product adopts the USB interface, and connects to the computer through the USB interface, without additional power supply. 2、Using ultra?stable technology, in line with USB2.0 standard; support hot plug, plug and play. 3、Electronic storage medium, no mechanical parts, anti?vibration, moisture?proof and anti?electromagnetic interference. 4、Multi-purpose, can be used for office backup files, video recording good memories, etc. 5、Support for Windows 98/Me/2000/XP/OS X 9.x/OS X/Linux2.4.x, for phone and computer 2 in 1 flash drive. 1 x U Disk