Healthy function of "Tiny Cooling Fan" in the market, also in the spotlight. As consumers become increasingly concerned about health, the manufacturers began to improve air quality around the start of the article, so they added a negative ions, oxygen bar, ultraviolet disinfection and other functions. With the anion of "Tiny Cooling Fan" through a built-in negative ion emitter, diverging negatively charged ions into the air, so the air with a positive charge of smoke, dust, acts as a barrier bacteria, dust, odor, air purification function; and UV germicidal "Tiny Cooling Fan" is specifically used to kill bacteria in the air, thereby improving air quality.