120ml Essential Oils Diffuser, Ultrasonic Cool Mist Aroma Aromatherapy Air Humidifier Nebulizer with LED Color light Bulb - for Home Office AROMATHERAPY DIFFUSER: Effectively Diffuses Aroma without Heat, Therapeutic & Healthy AIR PURIFIERS: The Negative Ions Generates also Remove Particles as small as 0.01 Microns, such as Pollutants, Bacteria, fine Dusts, Smokes & Viruses which cannot be Removed by Filtered air Purifier NEGATIVE LONISER: Negative Ions Increase the Flow of Oxygen to the Brain & Cells, Resulting in Overall well being, It Relieves Depression, Stress, Fatigue & Headaches. Eases Breathing & Sleep Better HUMIDIFIER: Humidifier or Moisturizes the Air. Useful in Air-conditional Room where the dry air is Harmful to the Skins COLOR-CHANGING NIGHT LAMP: Watch the Soothing Array of Rainbow Colors Shift & Change while it Illuminates the Mist & the Surrounding