... wind with low noise,quiet small and easy to use OEM DC 5v quiet usb fan with metal ... DC USB plug6.Metal finger guard:YesLow noise,super quiet Metal guard to prevent finger touching blade Switch for ... notebook,PC)Model Size/color Spec Description Packing Super quiet mini USB fan SA-510 149.73*96. ... s usb device(Like notebook,PC)Low noise,super quiet Metal guard to prevent finger touching blade Switch ...