Grevol has 12 years of factory history. To provide every family with high-end aroma diffuser with essential oils included humidifier products, we continue to innovate, integrate nature and technology, and provide comfortable, high-quality and simple diffuser to help you spread your care for your family. Our oil diffuser essential oils is so beautiful that it elevates any space that you put aromatherapy diffuser in. The scents that aroma diffuser comes with all smell amazing! The aroma diffuser makes no noise at all when it is on which is wonderful. It has a light that cycles different colors (you can set it to stay on one color if you want) which is so calming. Aromatherapy diffuser is so simple to use. This is the perfect aromatherapy diffuser for anyone and everyone.