Currently China's urban residents hundred "Micro Cooling Fan" ownership rate has reached 200 percent, Fan is currently China's most popular summer living appliances, because it is blown out at room temperature rather than cold air, strictly speaking, are not included chillers category , but it can speed up the body sweat evaporation, reduce surface temperature, coupled with cheaper and less power consumption, thereby gaining widespread use. Currently, a new generation of "Micro Cooling Fan" has been published, it can simulate natural wind (the mountain lake wind), with a wind-speed, dual-fan can shake his head 360 degrees, electricity consumption is only 40 watts, thin wall fan motor thickness of only 16 mm, and with infrared, ultrasound, radio and other Tiao control function. Nevertheless, when the temperature is near or above body temperature, the relative humidity is too large, "Micro Cooling Fan" the effect will be significantly reduced, long body blow but will feel discomfort.