USB pen drive,flash memory,usb flash disk great usb pendrive usb pen drive(RG-U642)USB pen ... drive,flash memory,usb flash disk Available capacities:65MB,128MB,256MB,512MB,1GB,2GB,4GB,8GB ... with USB PortOperation systems:Windows Vista/XP/2000/ME/98/95.Online Download AvailableTransfer Rate:High Speed USB 2.0.USB1.1 ...