1.Waterproof And Durable: With high-quality metal casing for durability, provides you the reliability as the metal casing provides you protection against dust, water and temprature and shock resistant. 2.Small and Key Chain Design: The thumb drive is so small and handy that you can put it in your pocket or purse, it's also great to have on hand when there is a need for a flash drive. With the built in key ring to help you to attach it to your backpack or wallet and no need to worry it will loose, carrying the data wherever you go. 3.Plenty of Storage For You : You can use the 64gb zip dirve to back up your photos, record good memory videoslisten to music or books in your car, give power point presentations or projects, to make Windows recovery and general files back up...... 4.Broad Compatibility : This 64gb 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 intel. Compatible with any device with a USB port. 5.Display capacity Nominal capacity. The factory capacity of memory products is usually calculated based on 1MB=1000KB and 1GB=1000MB. However, the operating system adopts the binary algorithm of 1MB=1024KB1GB=1024MB. Therefore, the display capacity of memory products is different from the nominal capacity. Therefore, the display capacity of flash memory products is about 90% of the nominal capacity, which is a normal phenomenon.