1.Adsorb harmful gas and smoke 2.Give out floral fragrances to make you refreshed and relaxed. 3.Please change the battery if 1.Widely used in the desk, student desks, conference desktop, table, computer desk, the car interior etc.2.On the surface of dust, simple operation, convenient and novel aesthetic feast for the eyes3.It is a good helper of modern office, study,and home life .novelty , ...