Aroma Diffuser Using ultrasonic technology, the Aroma Diffuser fragments the water and essential oil solution into extremely fine microparticles, diffusing to the air in the form of cold steam, thus preserving the properties of oils. 2. Air Purifier Negative ions that are generated eliminate small particles up to 0.01 microns such as pollutants, bacteria, dusts, smokes, and viruses. 3. Negative ionizer Negative ions increase oxygen flow, thus improving overall well-being, relaxing in times of stress and providing a good sleep. 4. Compact and lightweight humidifier this personal humidifier provides portability that is perfect for travel use. Helps in replacing moisture from environments that are continuously exposed to air conditioning, thus reducing the harmful effects caused by drying the environment. 5. Light Fixture Diffuser lamp gently illuminates steam and environment. Included: 1 x Aroma Humidifier 1 x USB Cable Specification: Product: USB Portable Humidifier Material: ABS + PP Water tank: 220ml Size: 13.5 X 7.5 X 7.5 Working voltage: 5V (Works at any USB input) Working current: 500mA Power: 1.5-2W Run time: four hours and automatically turns off Light time: 1 h Color: White product weight: about 152g USB charge mode Package including: 1 humidifier and 1 USB cable