1、High-speed transmission, the maximum writing speed is 8-13mb/s, and the maximum reading speed is 13-25mb/s. 2、Using A+ grade chip, the transmission is faster and more stable, and the practicability is high. 3、The high-quality zinc alloy shell is firm and reliable, not easy to damage, and does not need to be replaced frequently. 4、Safe to use and it is waterproof, compact shape, lightweight and portable, take up no space and you can put it anywhere. 5、Mainly used for backing up files, videos, etc., to help you save important things. Item Type: U Disk Material: Zinc AlloyNo Driver Required (For Windows 98 And Above): Supports for Windows 98/Me/2000/XP, for OS Computer 9.x/OS X Computer and for Linux 2.4.x. Interface: USB2.0 Computer: Support for IBM PC, for iOS PC or laptop, etc. Speed: The maximum writing speed is 8-13mb/s, the maximum reading speed is 13-25mb/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 About Usable Capacity: Please Note The Memo 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 x U Disk 1 x Round Hanging Buckle 1 x Micro USB Interface