Ordinary "Tiny Cooling Fan" set three stalls, or the wind is too strong, too weak or out of the wind, it is difficult to meet the diverse needs of the people. Through scientific and technological innovation of the United States of inverter fan, using the new 26-speed stepless, various wind classes ad hoc intelligent wind, sleep wind, natural wind, etc., "Tiny Cooling Fan" to different people customize their personal right amount of wind. Primarily to static, frequency fan completely abandon the traditional high-voltage DC motor, using leading inverter technology, 24V efficient ultra low voltage start, steady, safe and durable; 180 ° out-sinusoidal current, motor operation continued smooth and reliable, "Tiny Cooling Fan"to Create 17 db ultra-quiet subversion, to provide security for the user and meditative experience.