Item Type: U disk Color: Rose Gold Housing: Metal Interface: USB Capacity: 8GB/16GB / 32GB / 64GB / 128GB / 256GB (Optional) 1、With USB 3.0 high speed data transfer performance, in 360° rotation design, this U disk is small and portable. 2、It is plug and Play, you just need to insert the driver, compact, the metal rotating design protects the connector. 3、Class A chip supports that it can be repeatedly erased 1,000,000 times. Thus, you can use it for a long time. 4、As for operating system, it is for Windows 98 / 2000 / XP / Vista / 7 / 8 / 10 / Mac OS 9.X / Linux 2.4 or higher. 5、And the writing speed is 10 Mb / s – 20 Mb / s. Moreover, the performance rate depends on the available different operating systems and the various flash memories used, so the speed may be different. 1 x U Disk