... , 2GB, 4GB, 8GB, 16GBFeatures :Hot plug, portableTransfer Rate :Hi-Speed USB 2.0 Certified, Compatible USB 1.1Compatibility :PC and MacOperating System :Windows 7 ... , 128MB, 512MB, 1GB, 2GB, 4GB, 8GB, 16GBTransfer Rate :Hi-Speed USB 2.0 Certified, Compatible USB 1.1Color :CustomizedMaterial :PlasticInterface :Hi Speed USBCompatibility :Windows ...