Tiny Cooling Fan a wide range

Life "Tiny Cooling Fan" of a wide range of cooling fans for how to choose it? This requires us to master the most basic common sense, and select from the appearance, from the outer surface should be fairly robust overall, "Tiny Cooling Fan" relatively pure colors (especially black, the color of the fans is not important), in the edge of the box leaves no edges, see the thickness of the blades (very important since too thin easily broken), there is not much when Yong Shounie frame deformation. Choose a good brand "Tiny Cooling Fan" means choosing quality, so it is important for fans of quality assurance.