The aroma essential oil diffuser can change the condition of the dry air in your room, and you can drop some essential oil that you like to make your room perfume, creating a space where you can breathe smoothly and comfortably. In addition, the automatically switch off system will keep you safe when it is waterless. It is not only a machine, but also an elegant decoration, very suitable in bedroom, living room, office, café and SPA. Using the diffuser with oils, you will have a good sleep. And this is also good against pets, smoke odors, allergies and even cold and flu germs.