essential oil diffuser Includes tray for essential oil blends for invigorating or relaxing effect; includes tank cleaning brush Essential oil diffuser. Integrated fragrance oil diffuser for room air freshener optional/infinitely adjustable mist intensity The soft and smooth mist, adds moisture to your living room, maintains proper humidity, releases stress, calms your mind, and protects our airways and throat from dry heat affecting the respiratory. essential oil diffusers. Wireless Remote Control: Ultrasonic humidifier air purifier adopts compact and portable design essential oil diffuser Ultrasonic Cool Mist Humidifier with Night Light and Diffuser