... message fans operated by 3 AAA batteries10 different patterns can be show when it operatedDifferent colors for the stems ... programmed to show on the fansCustomers' logo also can be printed on the stem of the fansA strip ... ,flashing led fan ,promotion mini fan ,programmed message fan ,usb led fan ,lighting fan ,toy fan ,flash message fan, ... ,mini fan ,led fan ,promotion fan ,led item ,flexible usb fan