Air humidifier: create a clean and humid condition for car, office or bedroom, to prevent disease, fresh the air and protect the skin. Air humidifier purifier: charging through USB ended cable, low power consumption. Humidifer: multifunctional mini LED aroma humidifier. Mini humidifier: solid housing, flat base, easy to stand firm on desk, table or bedstand. Humidifiers for home: with light changing function, it often acts as effect light.