PERFECT for you and your family to relax yourself and relieve stress after a busy day. Keep a good mood and a healthy life. ADVANCED Ultrasonic Diffusing technology which produces vibrations at a frequency of 2.4 million times per second breaks water and essential oils into extremely fine micro-particles without using heat. IMPROVE air quality and prevents damage from second hand smoke, stale air and allergens. It functions as an ionizer by releasing negative ions into the air which combat harmful positive ions. This provides many health benefits e.g. improves breathing, strengthen the immune system, help to lift your mood and relieve stress. PURIFY and Humidify the Air and improves the quality of the air we breathe. Unit may also be used as a non-aromatherapy humidifier. Provides moisture for Dry Cough, Sinus Irritation, Dry Skin. Mist Control Press the "MIST" button for more than one second, choose the timer from 30 mins, 60 mins, 120 mins, and 180 mins and OFF.