18 Sleep Sounds: The sound of the white noise flame diffuser includes lullabies, insect singing, birds, fireplaces, streams, thunder, rain, and breezes. You can simultaneously play different volumes of light rail to mix and create the best personalized effects. 2Help Fall Asleep Quickly: The sound of a white noise humidifier can help you fall asleep quickly and wake up refreshed in the morning. Optional automatic shutdown timer, set the timer to 30, 60, or 120 minutes for this white noise humidifier throughout the night. 3Superaudible Atomization Technology: This diffuser uses superaudible atomization technology to convert water and oils into tiny molecular clusters, helping to soothe the body and mind, moisturize the skin, and make life healthier without worrying about getting the table wet. 4Realistic Effect: The base of the diffuser is integrated with a night light, which can adjust two brightness levels to bid farewell to darkness. The diffuser is equipped with a 200ML water tank, which can be continuously used for a long time after being filled with water, making it very convenient. By combining light and fog with LED lights to create a realistic flame effect, a warm and romantic ambience is created. 5Ideal Gift Choice: White noise flame diffuser, with simple and fashionable design, can be paired with various home styles, and can also be used as a beautiful decoration. Perfect birthday gift for your lover, family, and friends on Valentine's Day, Mother's Day, Father's Day, Halloween, Christmas, or other special holiday gifts.