The high-quality aromatherapy oil diffuser uses ultrasonic technology, which can atomize the water and essential oils in the water tank without heating or adding any chemical agents, and produce a cool, moist and aromatic mist. Compared with heated spray, it can save up to 90% of energy.After a busy day, walking into the home that exudes a charming smell immediately makes you nervous, and now it's time for you to have a good sleep and energetic morning.[Product Specifications]:Material: PP + ABSShape: cylindricalThe applicable area is 10-40 square metersNoise: no more than 30dBCapacity: 400mlSize: 15*17cmWorking principle: ultrasonic high frequency vibrationApplication scenarios: living room, office, study, yoga room, gym, etc.Innovative design: automatic power-off protection function, hollow shape2. If water is added to the MAX line, the fog will be very thin. Less water will produce more mist.If you have any questions, please contact us in time, we will answer your inquiry within 24 hours.