Gurin ultrasonic aromatherapy diffuser with 2.4 million ultrasonic vibrations per second is a aromatherapy diffuser system that also ionizes essential oil molecules into the air using a heat-free diffusion method, while enhancing an oil biological effects, ideal for improving the atmosphere of any home or work space. It fills the space with a lovely fragrance that can lift the mood and relieve stress from stressful and tired day, perfect for masking stubborn smoking and pet odors, get great and peaceful nights' sleep surrounded by the aromatic fragrance.