4: Air Purifier: The negative ions generated removes particles such as pollutants, bacteria, fine dust, smoke and viruses, which cannot be removed by traditional filtered air purifiers.

5:Quiet and efficient, this moist diffuser can be used t o help improve both physical and physiological well-being in any interior environment. Very easy to use: You just fill up the cup with water, after the internal filter was soaked, plug the device into your USB port and press the on/off button

3: Negative Ionizer: Negative ions increase the flow of oxygen to the brain resulting in improved overall well being. This can help relieve stress, fatigue & headaches and improve breathing and sleep.

2: Humidifier: Humidifies and adds cool moisture to the air. Useful in air-conditioned rooms or arid climates where dry air is harmful to the skin.

1.Designed for moist diffusing,plant essential oil and aroma diffusing (not work for mineral oil or same kind of fragrance )