500ml Essential Oil Diffuser, Aromatherapy Diffuser for Home, Ultrasonic Aroma Air Diffuser with 7 Colors Light. 500ml Diffuser Ideal for a Large Room: The coverage area reaches up to 480 square feet. which can be used in a large room for up to 20 hours. The three time settings for option: 1/3/6H timer. Superior Safety: You can leave this aromatherapy diffuser on at night without worrying about overheating thanks to the automatic waterless protection feature, which ensures the safety of you and your family. Elegant Gift - With its minimalist design and modern look, the aromatherapy diffuser is an ideal and valuable gift for your friends and family. The essential oil diffuser features a cutting-edge marble grain design that perfectly matches any decor style. Some essential oils can have a healing effect that soothes your sinuses and can help you breathe easier when using air conditioning. You can also drop your favorite essential oil into the water as it is also the perfect scent