Features: 1.Equipped with USB interface, connect to the computer through the USB interface, without additional power supply 2.Support hot plug, plug and play. Ultra?stable technology is in line with USB2.0 standard 3.Electronic storage medium without mechanical parts, possess earthquake resistance, moisture?proof and anti?electromagnetic interference 4.The product is support for Windows 98/Me/2000/XP / OS X 9.x / OS X / Linux2.4.x systems 5.U disk can be used to backup files, videos, etc., very practical in your daily life specification:Item Type: U Disk No driver required (for Windows98 and above) Applicable system 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. Maximum Writing Speed: 20mb/s Maximum Reading Speed: 40mb/s Application: Backup files, videos, etc. Operation Steps: Plug and play 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 Memorandum 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 PackageList:1 x U Disk