Iron man usb flash disk Model no.: Zh-0174 Interface type: Usb 2.0 & usb 1.1 Open style: Opening Material: Metal Shape: Rectangle Storage capacity: 256mb-32gb Certification: Rohs, ce, fcc Packing method: Polybag, gift box, blister, metal box Export markets: Global Packing method: Polybag, gift box, blister, metal box