Features: 1.Using USB interface, connect to the computer through the USB interface, without additional power supply 2.Adopt ultra?stable technology, in line with USB2.0 standard; support hot plug, plug and play 3.Electronic storage medium, no mechanical parts, earthquake resistance, moisture?proof and anti?electromagnetic interference 4.The product can support for Windows 98/Me/2000/XP / OS X 9.x / OS X / Linux2.4.x systems 5.Memory pen drive can be used for 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