... customized logo 4.capacity:256-16GB Hot selling usb flash memory. New design christmas usb driver, metal keychain ... on computer configuration) Operating temperature32°F140°F (060) Storage temperature-4°F185°F (-2085) Warranty3 year Company information: Fujian ... in developing and producing promotional gifts, including usb flash driver, mouse, mouse pad, ball pen, umbrella, sport cap, landyard, shopping ...