[Unique design] Elegant and fascinating color in design. It is made of 3D effect, glass cover and unique techniques. Compact and portable, the volatile oil diffuser can be easily removed, can be filled with water and a few drops of essential oil, helps you to benefit from aromatherapy. You can change 7 colors. A great gift for family and friends. .[ Silent ultrasonic technology whispered] aromatherapy essential oil diffuser adopted further ultrasonic technology. It is extremely quiet without annoying noise that will not bother you while sleeping or at work. .[ Timer setting and automatic off design] 4 Timer Setting Mode: 3H 2H 1h 0.5h. You can adjust the time according to your different needs. Aromatherapy essential oil diffuser will automatically stop working as water is consumed and prevent your unit from damaging. Our diffusers have one -year warranty and a 30 -day repayment guarantee and post -s after life. If you are not satisfied with the performance of our products, we promise that we will provide you with change.