The Adusb52 provides relaxing aromatherapy as well as improves moisture and fragrance in the air. It is Portable and can be charged with a USB charging cord. It has mood-enhancing color hanging lights and two mist settings with auto shut-off function. The capacity is 3.4 oz and the mist should last up to 6 hours. Master Carton Dims: 14.3 LBSx22.8"x9.25"x13.8"