USB Simulation Flame Mist Humidifier Night Light1. Flame Aroma Diffuser: Ultrasonic aromatherapy atomization, fragrant air, soothe body and mind, relieve stress, and let you say goodbye to insomnia. (Add water and an appropriate amount of aromatherapy essential oil to the water tank) 2. Ultrasonic atomization, silent work, delicate water mist to moisten the air silently, bringing you comfortable enjoyment. 3. Bedside atmosphere light: red light and blue light, two colors of light can be adjusted,