The amount of negative oxygen ions injected by Bibotine depends on the cleanliness of the air. Under normal circumstances, the number of negative oxygen ions per cubic meter of air is about more than 20,000, and it can also reach more than 40,000.
Negative oxygen ions are free anions, mainly from oxygen molecules in the atmosphere, but also from polar aqueous solutions, rocks, soil and plants. They can remove harmful particles from the air and help to enhance human immunity.