Handheld ultrasonic nebulizer $ 25.54 Gear position: 2 gears Spray heat: hot and cold spray Fog time: 121-180 seconds Color: black, blue, pink, white, gray Specification: USB/lithium battery Brief introduction of ultrasonic nebulizer inhalation method: Ultrasonic atomization inhalation method is to disperse the liquid medicine in the gas phase through the cavitation effect of ultrasound, and turn the liquid medicine into mist particles (aerosol). A treatment method that directly acts on the local respiratory tract lesions by inhalation. The aerosol produced by this technology has a large amount of fog and small fog particles (0.5-5um see test report) and uniform. When inhaled, it can reach the alveoli and tree-like bronchi, so that the medicinal solution is deposited in the deep part of the respiratory tract to achieve the purpose of health care and treatment.