300ml air aroma diffuser: for example, rosemary can relieve fatigue, lemon lemon can whiten oil control, geranium can prevent colds and so on. Essential oil diffuser: it can atomize aroma and water and diffuse them all around. LED aroma fragrance diffuser: safe and . Humidifier: according to the different components of essential oils, they can play different roles, purify the air and relax the mind. Wood aromatherapy lamp: low voltage current and waterless auto off finest pp material in the market without toxic substances.