usb flash drives 1.Capacity :from 256MB to 16GB l 2. Authentication FCC,CE,RHOS 3.Shipping: DHL,UPS,FEDEX,EMS... USB 2.0 USB Flash ... data is being read or written;8.Drivers: Required for Windows 98/95. Online download available;9.Data Retention: 10 years ... Plug-and-play;no external power supply required,USB bus powered.12.Provide OEM service,logo printing,data preload,autorun,customized programming ...