[Ultrasonic technology]: The essential oil diffuser produces a fine mist by ultrasonic atomization technology, and the aroma can be enriched by adding essential oils. It is very suitable for relieving emotions, relieving stress and helping sleep. [Guarantee of safety and environmental protection]: Using BPA-free materials will not emit any harmful odor and bring you a pleasant and healthy life. Automatic waterless shutdown for your safety. High fog and low fog options for different situations. Increase the humidity of dry air, purify and mask unpleasant smells of animals or smoke, and create a peaceful and body-friendly home or workplace. [Suitable for gift giving in gift]: unique wood grain, exquisite packaging box, free measuring cup, very suitable for gift giving, suitable for bedroom, study, living room, bathroom tub, yoga, the SPA, the meeting room, the baby’s room, etc. Can be used as diffuser / air purifier / night light. Product Description Describe: Aromatherapy device,