Intelligent control, stable air flow. It can automatically adjust the power according to the degree of blockage of the passage, provide a stable and clean air supply, and let users enjoy healthy breathing freely.The basic form of appearance comes from the hexagon in the chemical structure diagram of polymer compounds. A number of hexagons are combined to form a mysterious biological science, which has a strong industrial attribute. Under the small and compact shell, the air volume can be adjusted freely as required to protect eyes, face and respiratory tract. The full curved surface design on the front side is to reduce the possibility of ash deposition and bacteria adhering to the shell during the use process, and also facilitate the later cleaning and disinfection and other maintenance operations. The air inlet is hidden in the shell, and the middle bulge is used to place the filter element, so that the body is more thin and durable. The back adopts arc design to fit the waist of human body to meet the ergonomic requirements to provide excellent wearing experience.