1. This colorful aroma diffuser uses an ultrasonic atomizer to convert water and oil essential oils into soft and delicate essential oils. Cold mist (0.3 nanometer atomization) effectively humidifies the scented air and improves aromatherapy efficiency. 2. Our aromatherapy humidifier can purify the air, relieve stress, relax the body, and allow you to enjoy a comfortable and peaceful time. 3. Ultra-quiet design (decibel is 20-25 decibels) and aromatherapy essential oil can help sleep and calm the mind, suitable for sleep and rest. 4. Independently controlled LED lights are available in seven colors and two brightnesses, suitable for bedside night lights. 5. The multi-function button and timing function can freely adjust the brightness, color, fog volume and time of the light to meet your different needs.