Ordinary "Micro Cooling Fan" function only hair, single effect, not long-term use. When the indoor temperature reaches 35 degrees Celsius, but will be counterproductive, below 25 degrees Celsius Shiyou no meaning. So I think made a full-featured new "Micro Cooling Fan", saving cost and space, while also enhancing the results. "Talking about the inspiration of this invention, so to say." Because it is from the traditional "Micro Cooling Fan" transformation from low-cost, space-saving electric heater inside the chip can also be free demolition, the unique structure of the internal circuit is simple, ease of maintenance.