1) Elegant and portable design.2) Cure some asthma, chronic obstructive pulmonary disease (COPD) through aerosalization. 3) Two air flow control. 4) Suitable for all kind of people with various age. 5).Comes complete with: Drawstring carrying case, 2 different mouth pieces, 1 adult and 1 child mask, 5 reusable medication cups, AC adapter.