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. 1 x Cartoon U Disk Item Type: Cartoon U DiskDriver: No NeedSupport 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 Linux 2. 4.xInterface: USB 2.0Computer: For PC, For OS X PC or Laptop, Etc.Speed: Maximum Write Speed 20mb/s, Maximum Read Speed 40mb/sApplication: Backup Files, Videos, Etc.Remarks: the Displayed Capacity is Different from the Nominal Capacity Because the Calculation Method is DifferentManufacturer Standard: 1GB = 1000MB, 1MB = 1000KBRegarding Usable Capacity (Please Note the Memorandum Regarding Storage Product Capacity): 4GB = Approx. 3.4GB to 3.8GB8GB = Approx. 7.4GB to 7.6GB16GB = Approx. 14.5GB to 15.5GB32GB = Approx. 28GB to 30GB64GB = Approx. 58GB to 60GB128GB = Approx. 119GB to 124GB256GB = Approx. 49GB to 250GB512GB = Approx. 498GB to 500GB