1) Humidity air
2) Clean air
3) Dropping perfume or essential oil in water
3) Power supply: USB
4) Material: ABS
5) Color: Green/Yellow/Black
6) Packing method: Color box

Function:
1. Concentration of negative ion is effective to clean air and dispel smoke, which can be proved by an experiment.
2. Negative ion is reputed to be an air vitamin. It can improve heart and lung function, promote metabolism and dispel fatigue, maintain metal clarity and relieve carsickness. Beside, it can effectively prevent bird flu and H1N1.
3. Ozone can dispel mildew smell, smoke smell, formaldehyde, benzene and Poisonous gas discharged from automobiles.
4. It has the best medicine functions, reducing chances of cough, sneeze, asthma and so on.
5. It maintains fresh car air, effectively preventing of air-conditioning diseases, improving metabolism, relieving fatigue and protecting eyesight.
6. The gentle built-in light feature creates an romantic atmosphere.