... medium in Any situationTechnical Specifications of D&W 2GB 4GB 8GB metal swivel usb flash driveStorage Capacities:64MB, 128MB, 256MB ... , 512MB, 1GB, 2GB, 4GB, 8GB, 16GB, 32GB, 64GB,128GBTransfer Rate:Hi-Speed USB 2.0 ... USBSize:---Weight:--Operation system of D&W 2GB 4GB 8GB metal swivel usb flash driveOperating SystemFile TransferPassword TravelerWindows® 7YesYesWindows ...