Sonair nebulizes liquid medication, providing ultra-fine mist that permeates the lungs faster for convenient and effective respiratory treatment. Silent and Discreet Nebulization. Compact + Portable. One-Touch Operation. Rechargeable. Nebulizer kit includes: 1 adult and 1 child mask, mouthpiece, USB cable, accessory bag, quick start and instruction manual. This nebulizer is small and convenient for travel.