1、Waterproof: One piece package, dust proof, drop proof, high and low temperature resistance, and also has waterproof characteristics. It can still be used as before to effectively protect data security after being taken out and dried in water. 2、Plug and Play: Use USB interface, connect to the computer through the USB interface, plug and play, no additional power supply is needed, light chrome plating process, mirror like translucent. 3、Support System: Electronic storage media, no mechanical parts, earthquake resistance. Moisture proof and anti electromagnetic interference. Support for Windows 98, for Me, for 2000, for XP, for OS X 9.x, for OS X X and for Linux 2.4.x 4、Wide Compatibility: Ultra stable technology, in line with the USB2.0 standard, support for hot swapping, and wide compatibility to fully support mainstream electronic devices such as computers, car audio and video, smart TVs, etc. 5、Dual Purpose Mobile Phone and Computer: dual purpose mobile phone and computer, with OTG adapter, expand the space of the mobile phone, never stop, can quickly read and copy files, photos, videos, etc. Item Type: Flash Drive Material: Zinc Alloy Support: No Driver Required (for Windows 98 and Above) Support for Windows 98, for Me, for 2000, for XP, for OS X 9.x, for OS X X and for Linux 2.4.x Interface: USB2.0 Computer: For IBM PC, for Macbook or Laptop, Etc. Speed: Maximum Write Speed 20mb/s, Maximum Read Speed 40mb/s Application: Backup Files, Videos, Etc. 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 x Flash Drive