1、VIVID COLORFUL CYCLING LIGHT & NIGHT LIGHT This cool mist 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. 2、PORTABLE MINI HUMIDIFIER & USB POWER SUPPLY Portable 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 bedroom, office, car. 3、QUIET ULTRASONIC OPERATION Ultrasonic humidifiers produce a near silent frequency of 26dB (quieter than a library) ensuring ultra quiet operation. This humidifier won't bother you while sleeping and working. It can effectively moisturize dry skin and help you reduce skin peeling. 4、ONE BUTTON CONTROL The portable USB humidifier is very easy to operate. One button controls all functions, you simply need to press the power button every 1 second to control the mist. Keep pushing the power button to enable the night light and colorful light function. 5、2 SPRAY MODES & AUTO SHUT OFF Continuous and intermittent modes. On continuous mode, it will automatically shut off after 6 hours. On intermittent mode, it will automatically shut off after 12 hours. It shuts off when the water level is low.