Information about this product 2 Modes & Breathing Light: Press the button once for continuous mist, press the second time for intermittent mist, third time to close the mist. Press and hold for 3 seconds to turn on the breathing light, then press the button again to fix the bright color. The lighting is soft and there are seven color changes, providing a calming glow for relaxation. Quiet Humidifier: Quiet operation below 30 dB allows you to stay in a quiet and comfortable environment without disturbing you if you are sleeping or working. Optional night light provides a soothing glow and relaxation. Portable Humidifier: The humidifier is small, portable and USB powered . Very comfortable to wear and use. We recommend adding mineral water to the tank to enjoy the cool mist, it won't leave any drops on the table. Lasting effect: This air humidifier has a capacity of 220 ml. When filled with water, the humidifier can work up to 5 hours (continuous mist); 10 hours (intermittent fog), create a comfortable environment for you. Cute Humidifier: The cute baby humidifier is small and portable, it is also a perfect gift and elegant decoration item, very suitable for use in rooms, offices, cars, baby room.