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 1、Flash drive memory adopt USB interface, no drive required, plug and play, very convenient tp use 2、The product have small size and easy to carry, you can easily carry wherever you go 3、Compact style and stylish shape, which is an unforgettable gift for your beloved, friends and even customers 4、Applicable system for Windows 98/Me/2000/XP / OS X 9.x / OS X / Linux2.4.x 5、This USB2.0 car U disk can be used for backup files, videos, etc., very practical 1 x U Disk 1 x Drawstring