Aromatherapy & Humidify:The diffuser through the high-frequency vibration generated by ultrasonic vibration,melts water molecules into nano-scale cold mist of 0.1-5 microns,which is distributed in the air and produces a certain amount of natural negative oxygen ions to purify the air,while achieving the effect of aromatherapy.Fashion Design:Handmade ceramic aromatherapy diffusers are more natural and safer.The aroma diffuser,whether opened or closed,has a very modern and minimalist design,which is a perfect work of art.Improve Sleep:The Essential oils diffuser produces negative ions, which can make the air fresh by removing dust particles, fill the air with light aroma, and let you gradually fall into deep sleep. Enough sleep,can keep you young and weaken the dark circles under your eyes.4 Timed :The diffuser with essential oils microporous atomization technology can be the air moisturize the skin.The elegant North African lily bouquet combines the smell of fresh grass cutting and the smell of fresh mountain air to release the pressure of your daySilent Operation: Whisper silent operation ( 25dB) 9 colors, efficient and energy-saving, Waterless Auto-Off Function, your diffuser is safe and simple to operate, timing 0.5h/1H/2H/3H. If you have any questions as soon as possible please, 60Days Money Back. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.