... chip 4. Data preload 5. Warranty 1year Transparent usb flash memory stick bulk Capacities:64MB,128MB,256MB,512MB,1GB,2GB,4GB,8GB ... /95 (Download Available)Power:No extermal power requiredData Retention:Minimun 10 YearFunctions:Plug it into any USB port, it looks and ... . More products: Package pictures: Certificate:Our factory: Transparent usb flash memory stick bulk