It is mainly used to treat various diseases of the upper and lower respiratory systems, such as cold, fever, cough, asthma, sore throat, pharyngitis, rhinitis, bronchitis, pneumoconiosis and other trachea, bronchi, alveoli, and chest diseases. Nebulized inhalation therapy is an important and effective treatment method for the treatment of respiratory diseases. The nebulized inhaler is used to atomize the drug solution into tiny particles. The drug enters the respiratory tract and lungs through breathing inhalation, thereby achieving painlessness For the purpose of rapid and effective treatment, please administer by nebulization under medical advice.Features:Portable nebulizer Quiet treatment Two airflow control Compact and portable Suitable for all ages people Autoshutdown in 20 minutes or it will hurt Autoclean functionSpecifications:Item Name: Ultrasonic Nebulizer Size: 14.0 cm * 11.0 cm * 6.0 cm Atomizing speed: 0.25ml/min Atomized particles: 3.7m Capacity Of Cup: 10ml Noise: 50dB(A)Package list:1 * Atomizer 1 * Adult face mask 1 * Children\'s face mask 1 * Atomized mouthpiece 1 * Dust cover 1 * USB power cord 1 * English user manual 1 * Color boxTips:The better way use about 20-60 degrees hot water pour into big cup when you first time use it, only can be use clear water to clean. The machine itself does not have the heating function. It support usb cable and AA batteries, you could plug in the usb cable to use the inhaler directly or you could insert AA batteries to use the inhaler. For transportation reason, batteries is not allowed to be shipped by air, you need to prepare it yourself. We suggest you to use power bank with usb cable, so it\'s convenient. Or you could use good AA rechageable batteries yourself.