1) Available capacities: 64MB, 128MB, 256MB, 512MB, 1GB, 2GB, 4GB 2) Certifications: RoHS, CE, FCC, CCC, CN12365 3) USB host interface: USB 1.1, USB2.0 4) Support USB HDD and USB Zip mode 5) Operating system: Windows 98/SE/ME/2000/XP 6) Data retention: above 10-year 7) Write protection switch 8) Password protection and data encryption 9) Comes with one year warranty 10) Reading speed: 12mb/s, writing speed: 8mb/s 11) Plug and play, with no need for any extra power producing area:China payment:T/T supplying capacity:50k/month