2. negative oxygen ion adsorption of various viruses, bacteria and kill them, but also fresh air, smoke and dust. The negative oxygen ions can activate the oxygen molecules in the air, so that it is more active and thus absorbed by human body, which has a significant effect on the health of human beings. < br couples />3. it can improve lung function, negative oxygen ion can lower blood pressure, enhance myocardial function, improve sleep, the spirit of encouraging people to improve work efficiency, and can activate the human body a variety of enzymes, promote the body's metabolism, enhance the body immunity, enhance human resistance. />
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