Item Type: U Disk Material: Flexible Glue Support: For Windows 98 ,for Me,for 2000,for XP OS X 9.x,for OS X and for Linux 2.4.x Interface: USB2.0 Computer: IBM PC, for iOS X PC or Laptop, Etc; Speed: Maximum Write Speed 10-20 (MB / S), Maximum Read Speed 4-10 (MB / S) Applications: Backup Files, Videos, Etc Manufacturer's Standard: 1GB / 1000MB / 1MB = 1000KB About Available Capacity: Please Note the Memo on 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 = About 119GB-124GB 256GB = About 249GB-250GB 512GB = About 498GB-500GB1USB Interface: USB interface is used to connect computer with USB interface without additional power supply 2Ultra Stable Technology: In line with USB2.0 standards; Support hot swap, plug and play 3Advantage: Electronic storage medium, no mechanical parts, earthquake resistant. Moisture proof and electromagnetic interference resistant 4Office Supplies: The U disk is suitable for PPT presentations and video projections, etc, and it is a necessity for office and school work 5Suitable for: Suitable for a variety of operating systems, compatible with most USB devices, mobile phones and computers, etc., and has strong practicability1 x U Disk