1. Rain Cloud Humidifier Water Drip: The unique aspect is the water drop sound feature. The product produces the sound of raindrops, which can help to create a peaceful atmosphere and soothe you to sleep. If you love falling asleep to the sound of rain, this is beneficial. 2. Relaxing and Soothing: The rain simulator function creates a realistic and soothing sound of rain, perfect for helping you wind down after a long day. It is highly recommended for anyone looking for a calming and relaxing addition to their home. 3. Rain Cloud Humidifier and Oil Diffuser: This product also doubles as an essential oil diffuser, allowing you to enjoy the benefits of aromatherapy. Add a few drops of your favorite oil to the water to create a fragrant mist. This can help to improve the air quality in your room and promote relaxation and calmness. 4. Perfect for Different Occasions: The mist and light functions of this aromatherapy diffuser work separately. You can turn off the light at night while sleeping. Or use this diffuser as a nightlight. It's a wonderful companion for reading, sleeping, working or doing yoga.