bout this item [Advanced technology]: Then the product starts to work. mesh inhaler uses the latest chip technology, professional medical brand, small atomized particles, atomized particles directly reach the lungs, high atomization efficiency, and help you better absorb medicine. [Low Residues]: Low Medication Residue, minimum medication waste <0.1 ml, more efficient in drug delivery. [Ultra-quiet]: Ultra-quiet machine, The noise of portable mist vaporizer is less than 30 decibels during use, so your child can not be afraid, even if the baby is sleeping, it can be useful. [Applicability]: With complete accessories, it can meet the different needs of adults and children. For the treatment of upper and lower respiratory diseases, colds, asthma and respiratory problems, the item is safe and secure. [Convenience]: Replaceable cup, detachable head for easy cleaning, it is suitable. You can use it at any time at home, saving time to go to the hospital, and quietly atomizing at night. It can be used comfortably even when traveling.Another way,the rechargeable pocket machine also can be use batteries.