Package And Default Format : 1 PCS of MOSDART 32GB Metal USB 3.0 Flash Drive comes with keyring, packed in a protective buble wrap envelope; Default Format: FAT32, you can reformat it to exFAT or NTFS if needed. Broad Compatibility : This 32gb jump drive supports almost all operating systems including Windows Windows 2000/7/8/8.1/10/Vista/XP/2000/ME, Linux and MacOs 10.3 and above Compatible with any device with a USB port. Smaller Than Others : Conveniently designed thumb drive, the thumb drive is sleek and smaller than the other usb drives. And it has a loop for a keychain and very awesome for keyring or have handy when needed, lots of data space in the small package. Waterproof And Durable: This 32gb flash drive is completely resistant to water, you can dry and use it without a problem if accidentally fall it in into the water. With high-quality metal cg for durability, provides you the reliability as the metal cg provides you protection against dust, water and temprature and shock resistant. Super Fast 3.0 Data Transfer Speed: Read Speed: 90M/S, Write Speed: 20M/S. Spend less time waiting and transfer files to the drive, up to three times faster than with a standard USB 2.0 drive, backward compatible with USB 2.0.