Many people "Micro Cooling Fan" are some errors, such as transfer of large amounts always lookout, night after night, or blowing fan blowing all night if sleep, windward and leeward side of the temperature difference, which destroyed the thermoregulatory function, likely to cause neurological and endocrine disorders, muscle pain, fatigue and other symptoms. You can choose a frequency far infrared remote control "Micro Cooling Fan", Panasonic will recommend a good, functional polar whirlwind speed, the advantage is the adjustable speed time will not feel a sudden surge in the amount of wind plunged feeling, It can play a natural transition effect. And do not worry about the plug issue, because it is a built-in battery, "Micro Cooling Fan" can also be used without a plug.