Water washing Air fresher for car 1.Novelty and practical design 2. ... than 35 dB(A) [Function]1. Increases humidity in dry living spaces;2. Removes unpleasant odor, tobacco ... with the function of releasing Negative Ion4. Build-in night light, Quiet and silent operation,5. Advanced ... salon, aromatherapy salon, office, coffee house.7. Five in one function: Aroma Diffuser, Mini Humidifier, Air Purifier, ...