We are a direct factory in China,we are famous for unbeatable prices,high quality and great service before and after sales. SPECIFICATIONS, 1.Suitable for:computer& electronic equipment with USB port 2.Port :USB Spec.1.0/1.1/2.0 3.Capacity :32M,64M128M,256M,512M,1G,2G 4.Data Retention:over 10 years 5.Using Times:write & eraser over 1 million time 6.Support windows98/98SE/ME/2000/XP/MAS OS/ Linux,automatic OS,installed driver system without manual operating. 7 High speed,at least 10 years of data retention. Please contact us freely by any time if there's anything that we can do for you.