USB flash memory 1. Available Capacity: 128MB,256MB,512MB,1GB,2GB,4GB,8GB 2. Interface:USB2.0 3. Transfer Rate: High Speed USB 2.0 4. Operating Systems: Windows Vista/XP/2000/98/95/ME 5. Drivers: required for windows 98/95 6. Provide OEM service, logo printing, data preload, autorun, customized programming etc.