This humidifier is compact and convenient to use in the office, yoga, car, bedroom, and travel scenes. It is easy to carry because it is small and cute. When the cool-mist humidifier is fully charged, once pressing the button one time, it supports 12 hours of working time. If you want to turn off mist mode, press the button again. With the quiet design, which gives you a perfect sleep. With light, you would not forget to close it when you go out. With the USB port, you can charge it with computers or the car's USB port, it can humidify the air inside the car. The small size makes it easy to take with you anywhere. Only need a USB for added on-the-go convenience! The air humidifier for any scene, such as home, office, or vehicle in minutes, helps relieves dry skin.