1. Interface type: High speed USB3.0｣ｬUSB 3.0 Flash Drive write speed 8.9M/S---18.9M/S｣ｬ it can be plug to your android cellphone and PC/Laptop<br />2. Capacity:512GB/256GB/128GB/64GB/32GB.<br />3. Material: Metal<br />4. Color: Black｣ｬ｣ｬ Gold｣ｬ Orange｣ｬred｣ｬgreen.purple｣ｬblue.<br />5. Customized logo: support (extra cost)<br />6. Plug & Play: support<br />7. Hardware Requirement: PC with USB connection｣ｬNotebook｣ｬMAC<br />8. Operating system: compatible with most major operating system (Windows 2000/XP/VISTA｣ｬWindow 7/8｣ｬMac ｣ｬ etc.)<br />9. Endurance: more than 1 million times<br />Package include:   1pc USB Flash Drive(with box package)<br /> <br /><br />Why the USB flash drive real capacity is not correct capacity?<br /> <br />Flash memory vendors are using decimal arithmetic:1MB = 1000KB｣ｬ1G =  1000MB <br />calculated｣ｬ the operating system using binary arithmetic:1MB = 1024KB｣ｬ1GB =  1024MB;<br />so there are some differences between display capacity and nominal capacity  of flash memory product<br />example. 4G is about 3.4G;