1、Uses a USB interface, which is connected to the computer through the USB interface, no additional power supply is required. 2、Using sophisticated production technology, this cartoon U disk supports hot swap, plug and play. 3、This U disk has no mechanical parts, is shock proof, moisture proof, and anti electromagnetic interference. 4、Made of high quality material, and the U disk is strong, durable, portable, mini, and has long service life. 5、Has a wide range of applications, and can be used for data storage, transmission and sharing of music, photos, movies, etc. Item Type: Cartoon U Disk Driver: No Need Support System: (For Windows98 and Above) For Windows 98, For Windows Me, For Windows 2000, For Windows XP, For OS X 9.x, For OS X, For Linux2.4.x Interface: USB2.0 Computer: For PC, For OS X PC or Laptop, Etc. Speed: Maximum Write Speed 20mb/s, Maximum Read Speed 40mb/s Application: Backup Files, Videos, Etc. Remarks: 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 = Approx. 3.4GB to 3.8GB 8GB = Approx. 7.4GB to 7.6GB 16GB = Approx. 14.5GB to 15.5GB 32GB = Approx. 28GB to 30GB 64GB = Approx. 58GB to 60GB 128GB = Approx. 119GB to 124GB 256GB = Approx. 49GB to 250GB 512GB = Approx. 498GB to 500GB 1 x Cartoon U Disk