【Ultrasonic Desktop Humidifier】Ultrasonic atomization creates natural and comfortable moisture, creating a clean environment. 【Quiet Humidification/USB Power】Quiet humidifier, operating noise is less than 35dB, very quiet, and there is no need to worry about disturbing sleep. It can be used in homes with children and pets. 【Prevents Dryness and Skin Irritation】Prevents skin dryness and humidifies, while creating a relaxing atmosphere. Humidification also helps prevent dry eyes. It is a type that runs on a USB cable, so there is no need to worry about running out of charge. The size is about the size that can fit in a car's drink holder. Humidification type: Ultrasonic