Most families use the "220V Cooling Fan" is simply swing around the "one" type design, shaking his head, just cool for a while, the fan will turn later, sultry hit, sweaty, finally turn back, while another later, unable to let users enjoy comfortable. We "220V Cooling Fan", the original "W" type shook his head function, from top to bottom nod-frogging, give you double the three-dimensional cool enjoyment, "220V Cooling Fan" twice the duration of air, so you will not because not to force the wind shift and irritability.