The portable USB humidifier uses one-button control, one button controls all functions. All you have to do is press the on/off button every 1 second to control the mist. Press and hold the power switch for 3 seconds to activate the night light and color light function. Mini humidifier. It has two spray modes and an auto shut-off feature. Fill it with water, in continuous mode, it can work for 4 hours, in intermittent mode, it can work after 6 hours. The humidifier automatically turns off when there is no water, so you can use it at night without fear of damaging the humidifier. The humidifier has a USB power supply and the Portable and compact design is very convenient for you to take it with you. The USB power adapter is compatible with any device USB port and ensures that it can be used in bedrooms, offices, cars and bathrooms. The mini humidifier is suitable for different environments such as bedroom, living room, childrens room, office, spa, yoga room, etc. A quiet atmosphere within 30 dB can create a quieter sleeping environment. Humidify your living space to prevent dryness, stuffy air and flu/cold germs infecting your loved ones. quiet humidifiers purifier provides fresh clean air, moisturizes dry skin, improves skin peeling. It can keep your living space clean and moisturized We have a strong after-sales team, you can contact us if you have any questions. We will reply you in time as soon as we receive the news. Sold by Briday Store