... be printed or laser 3. Available capacity :512MB-64GB metal usb with keyring Capacities:64MB,128MB,256MB,512MB,1GB,2GB,4GB,8GB ... ,good quality ,professional manufacturing Transfer Rate:Hi-Speed USB 2.0 Certified,Compatible USB 1.1Operating System:Windows 7/Vista/XP/2000 ... power requiredData Retention:Minimun 10 YearFunctions:Plug it into any USB port, it looks and functions just like another hard ...