... speed 3. With CE, FCC, Rohs Promotional Gift!! OEM 4GB USB Flash Drive Specifications1.Excellent in quality and reasonable ... 64MB,128MB,256MB,512MB,1GB,2GB,4GB,8GB,16GB,32GB;2.Interface: USB 2.0;3.Operating Systems: ... years minimum;10.Supports boot up by USB-HDD or USB-ZIP mode;11.Plug-and-play;no ... external power supply required,USB bus powered.12.Provide OEM service,logo printing ...