This luxurious diffuser is great for aromatherapy as well as enhancing your home décor. Ultrasonic transducer vibrates at a steady and high frequency that makes the molecules of water and the essential oils so tiny that it is easily absorbed by the body. This creates the negative ions that moisturizes the air and your skin allowing you to enjoy the aromatherapy effectively.Features:Use 3 to 5 drops of your favorite essential oil (sold separately)7 color-changing LED lightsUp to 7 hours of steady mistPortable, quiet2 mist settingsAuto shutoff at low water level10 oz. water capacity