original high concentrations of air anion function, instant release of 10 millions/cm3 air anion, which can make dust removal efficiently. At the same time it can produce a great amount of oxygen and increase 20% more oxygen and it is healthy and environmentally friendly. Stimulated by UV excitation, the surface produces a strong reactive oxidation of oxygen species and hydroxyl which can seize formaldehyde, Benzene and other harmful substances in electronics when the air passes through the photo catalyst filter and then break them up in order to purify the air and make sterilization in the air. APURE air care fan has an ???lectronic nose???which can detects air quality condition quickly and accurately, thus provides effective basis for the air purification. And Full-color LED lamp can let you choose the color your like at will, make your life full of warmth and romance.