Fire free aromatherapy bottle. Is the use of non-fire aromatherapy core head dark burn plant isopropyl alcohol, so that the aromatherapy core head for a long time to maintain a certain temperature to let the essential oil. This kind of aromatherapy device has been introduced for several years, and the production technology of the core has been very perfect. Because non-fire aromatherapy is the most high-end product in the aromatherapy equipment, most manufacturers of non-fire essential oil sold in the market will use real plant essential oil and plant isopropyl alcohol, which can be used safely. Application range is very wide, such as living room, bedroom, study, kitchen, toilet bathroom, office, conference KTV, hospital, car confined space are applicable. If you are outside, you can also use a beautiful outdoor bag, so that you can enjoy fresh and healthy air anytime and anywhere.