4" metal head fan 360 rotate metel mute radiator fans mini portable cooler deskdesk silent lappc cooler cooling

premium metal.desk type mini fan: you can place it bedside your computer, on the table or in your car for convenient to use compact and spacious for fitting easily on your desk or bedside table without cluttering your desk . easily packed into any handbag or lapbag. also portable for outdoor travel, shopping, school, etc it can be used by inserting it in a personal computer, power bank, a usb charger or other devices with usb output.