Features: 1.USB Interface: Portable U disk uses a USB interface, which is connected to the computer through the USB interface without additional power supply. 2.Ultra Stable Technology: Ultra stable technology, in line with USB2.0 standard; support hot swap, plug and play. 3.Support System: USB flash drives support for Windows 98, for Me, for 2000, for XP, for OS X 9.x, for OS X and for Linux 2.4.x 4.Earthquake Resistance: Electronic storage medium, no mechanical parts, shock resistance. Moistureproof and anti electromagnetic interference. 5.PVC Material: The USB memory stick is made of PVC material, which is wear resistant and durable, and can be used for a long time. specification:Item Type: Cartoon Flash Drive Material: PVC Support System: No Driver (for Windows98 and above) Support for Windows 98, for Me, for 2000, for XP, for OS X 9.x, for OS X and for Linux 2.4.x Interface: USB2.0 Computer: for IBM PC, for IOS PC or Laptop, Etc Speed: Maximum Write Speed 10 to 20 (MB/s), Maximum Read Speed 4 to 10 (MB/s) Application: Backup Files, Videos and More The displayed capacity and the nominal capacity are different because the calculation method is different Manufacturer Standard: 1GB=1000MB, 1MB=1000KB Regarding Available Capacity: Please Note the Memo on Storage Product Capacity: 4GB =About 3.4GB to 3.8GB 8GB = About 7.4GB to 7.6GB 16GB = About 14.5GB to 15.5GB 32GB=About 28GB to 30GB 64GB=About 58GB to 60GB 128GB = About 119GB to 124GB 256GB=About 249GB to 250GB 512GB=About 498GB to 500GB PackageList:1 x CartoonFlashDrive