Item Type: U Disk No driver required (for Windows98 and above) Support: For Windows 98/Me/2000/XP/OS X 9.x/OS X/Linux2.4.x; Interface: USB2.0 Computer: For IBM PC/OS X PC or laptop, etc.; 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 = about 3.4GB-3.8GB 8GB=about 7.4GB-7.6GB 16GB=about 14.5GB-15.5GB 32GB=about 28GB-30GB 64GB=about 58GB-60GB 128GB=approximately 119GB-124GB 256GB=approximately 249GB-250GB 512GB=approximately 498GB-500GB Size: Approx. 17mm / 0.7in 12mm / 0.5in 43mm / 1.7in 8mm / 0.3in 1、Adopts USB interface and connects to computer through USB interface without additional power supply. 2、Ultra-stable technology, in line with USB2.0 standard; support hot swap, plug and play. 3、Electronic storage medium, no mechanical parts, anti-vibration, moisture-proof and anti-electromagnetic interference. 4、Support for Windows 98/Me/2000/XP/OS X 9.x/OS X/Linux2.4.x, for Windows98 and above, no driver required. 5、Small size, easy to carry and store, convenient to use and with good performance. 1 x U Disk