This cool Air Humidifier has a vivid colorful Cycling light setting that creates a peaceful ambiance while delivering a soothing mist. It offers maximum relaxation for you. The night light could improve your sleeping quality. The portable USB humidifier is very easy to operate, One button controls all functions, Portable, and small design is very easy for you to take to anywhere. The USB Power Supply is compatible with any device USB port which ensures it can be used in the bedroom, office, car.