Desktop, floor-select these two types of power "Tiny Cooling Fan" universal standards are generally divided into two kinds of luxury and electronics. The former is simple in structure, easy operation, low price for its features, usually only have to change the wind speed and the two functions; latter were complex features luxurious features exquisite styling. Consumers can be determined for the purpose of trade-offs based on the premise of practicality or utility, decorative, luxurious taken into account.
There Certification: When consumers buy "Tiny Cooling Fan", to look at the instructions to see if access to compulsory certification quality system certification, whether inspection standards certification; while now advocating "green carbon", depends on whether the energy efficiency standards at the national level.
Noise: The main components of the motor fans making noise, in the selection of fan must listen with or without noise when the motor is running, see it in operation whether jitter is stable; good motors let you in a quiet environment , only hear the wind, "whispers", ultra-quiet fan blowing air is good.
No odor: the smell is the smell of varnish coating on the fan copper produced during the operation, in the purchase of electric fans have to smell it, see this paint is environmentally friendly, whether through quality testing, so you fresh enjoy the wind in the air cool.
Electrical Safety: The "Tiny Cooling Fan" safety requirements, national standards set forth very detailed, consumers can conduct a simple test. Qualified fans, the general adult fingers can not touch the fan grille and front, families with children should choose dense fan grille.