【2-in-1 Essential Oil Diffuser】Simply filling it with water and adding a few drops of essential oil, this 2-in-1 humidifying diffuser can be used as an aromatherapy diffuser to relieve physical and mental fatigue and bring a sense of luxurious comfort to your indoor space. The mist humidifier also emits a steady stream of cool mist to continuously increase air humidity in your room, protecting your family from overly dry air and reducing stress at work throughout the day.