FOGGING HEAD AND SIDE DOOR: Easy to change essential oils, micro-pressure fogging nozzle for quick fogging of essential oils, side door design for easier installation. HIGH FREQUENCY ULTRASONIC ATOMIZATION: High-speed vibration reaches 2.4 million times per second, vibration frequency reaches 2.4mhz. ESSENTIAL OIL DIFFUSER: you can add lavender, lemon, peppermint, fig, rosemary, jasmine, white tea, eucalyptus or other better essential oils. BUILT IN FAN: Enhances airflow and expands scent, allowing you to experience a variety of scents without leaving your home. APPLICATION SCENARIO: The smart scented air machine is suitable for home use, either in the living room or bedroom, and can also be used in spa rooms, offices, hotels and bars.