MB Brands Best ESSENTIAL OIL Diffuser & ULTRASONIC Humidifier - Aroma Diffuser &ndash;Aromatherapy Diffuser - Cool Mist HUMIDIFIERS 100ml - All NEW VERSION MB Brands Best Essential Oil Diffuser and Ultrasonic Humidifier shuts off when out of water Aroma Diffuser has 3 settings- Green (intermittent mist) Red (consistent, continuous mist) OFF Aromatherapy Diffuser features 7 vibrant LED light colors to choose from. Unlike any Cool Mist Humidifiers you have ever tried, includes 100ml capacity! Incredibly quiet humidifier uses all regular and organic essential oils for maximum relaxation.