The current "Micro Cooling Fan" from the control point of view largely divided into machine control and remote control. Remote control "Micro Cooling Fan" are easy to use, can be remote control, and it will configure the timing, wind class (ordinary wind, sleep wind, natural wind), shaking his head as well as other additional features (such as ions), and the need for manual operation of machinery, It configures relatively simple functions, while only one wind class (ordinary wind) selection. Appearance quality requirements modeling, line, tone nice. Plating requires smooth, shiny, no yellow, rust, peeling and waterlines phenomenon. Film requires hard, smooth, no bubbles, scratches without paint off, open at the end, hanging paint or paint mixed different phenomenon. "Micro Cooling Fan" trim should be no damage, front and rear grille fit tightly, no distortion, grille wire sealing off the joints loose and so on.