[Aromatherapy and moisturizing and Himalayaya salt therapy] -Bu 3 of this multifunction essential oil diffuser, the therapeutic properties of a pure Himalayan salt lamp combines the essential oil diffuser with the aromatherapy and humidification of the essential oil diffuser. The functionality of three different machines can be obtained on a machine at the same time. .[ Fixed light color and automatic color change] -In-a light color can be fixed to a color (blue, green, purple, red) and seven colors can change automatically. It can also be used as a night light. With the lighting effect, it makes your room look better and more environmentally! .[ Himalayan Salt Therapy]-Natural Crystal Salt from Himalayla. Himalayan salt releases negative ions to absorb the dust particles in the air and improve air quality. It can also improve sleep, reduce stress, re the mind, and increase immunity. .[ Ultrasonic atomization and super silent design]-ultrasonic atomization is more sensitive, it can spread molecules quickly into the air, thus filling the entire room. It has a good moisturizing and aromatherapy effect. The internal atomization noise reduction mechanism does not exceed 35 decibels. It doesn't break your rest and sleep. .[ Automatic closure and portable without water] -This has an internal smart chip that automatically closes when there is no water. Therefore, you don't have to worry about security. The small size makes it very portable, whether office, bedroom, living room, nursery and so on. Whether it can be used. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.