On "Micro Cooling Fan" own use, it is generally a big fan blades, electric power is large, power consumption is also more power and speed is proportional to the electric fan blades, such as 400 mm fan, with When the power consumption of fast file 60W, use low gear, only 40W, the same "Micro Cooling Fan" is the fastest and the slowest file file power consumption difference of 40%, the use of one hour of power on a fast file amount can be used on a low gear for nearly two hours. Usually the first to open fast file, cool down more with a slow-speed, you can reduce the "Micro Cooling Fan" of power. In use, the fan is best placed next to the doors, windows. Thus, to facilitate air circulation, improve the cooling effect, shorten the time and reduce power consumption.