The aroma diffuser makes use of ultrasonic technology to atomize water and essential oil, and release aroma. Humidifier is designed to circulate humidity throughout large areas. Just plug it into any outlet and this whisper quiet humidifier will add soothing humidity to your environment. The Aromatherapy Humidifier adds moisture to your air, plus a subtle fragrance to make your home feel fresh and comfortable. Whisper-quiet Ultrasonic Technology -- Humidify your living space with a lovely fragrance which does not generate noise. You can rest assured to use it when you are sleeping, working or studying, doing Yoga, and enjoying SPA. Product Name:MJ-1 Humidifier Rated voltage:DC5V Rated power:2W Water tank capacity:220mL Spray amount:35-45mL/H Product weight:136g Colour: Pink / Green / White Material: ABS+PP Size:111.5X78X78mm Package Contents: 1 * humidifier, 1 * USB charging cable 1 * User Manual