1. [Various functions] This aromatherapy diffuser has a large capacity of 370 ml and provides easy water tank, 7 LED light color option and 3 atomization mode, and creates a personalized aromatherapy experience for you by supporting the function of 1 hour, 3 hours or 6 hours. Please note that the receipt is not included in the package, you should bring your own 5V2A adapter. 2. [Easy to use] This premium diffuser is very simple, just add a few drops of essential oil and enjoy a relaxing and pleasant aroma atmosphere. It is equipped with a strong fog mode to effectively increase the interior moisture without filling the water and effectively, it brings you long -term comfort. Ultrasonic technology, which is almost quiet (less than 18 decibels) while running, ensures that your sleep or business is not disturbed by any noise, so you can enjoy a peaceful and pleasant aromatic environment at any time. aromatherapy without worrying.