Ultrasonic Diffuser: breaks up water & aroma solution into extremely fine micro-particles， diffuses into the air as mist without heat which destroys the therapeutic ingredients in the aroma solution.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: Purple， Green， Pink， Blue， OrangeVoltage: 5VCurrent: 800maPower: 4WOperation Mode: Ultrasonic Sound VibrationsFrequency: 3MHZRunning Time: 4.5hrsApplicable Area: 10-13sq . m .Water Tank Capacity: 95mlMaterial: ASB， PPLength of Power Cable: 1.2mQuantity of Light Bulb: 6Dimension: 98 x 98 x 203mm-------------------------------------------Package Included:1 x Magic Bottle USB Ultrasonic Aromatherapy Humidifier1 x USB Cable1 x User Manual