[Multifunctional Design] This rain cloud humidifier features multifunctional that not only has humidification function but also available add essential oils as aromatherapy diffuser. Rain cloud design simulating the rain dropping sound which enables listen to the rain and easier falling asleep. With 7 colors lights design that is easy to adjust, perfect as ambient light and night light. [Comfortable Ambience] This rain cloud humidifier features 7 colors lights, and the brightness and dripping speeds of the rain cloud humidifier are adjustable that are perfect for adjusting the rain cloud humidifier according to your preference and create a comfortable ambience for better falling asleep. [USB Plug-in Power] This rain cloud humidifier is plugged in and used with USB cable to power plug. Also, it is compatible with cell phone's power adapter. Suitable for a voltage of 5V. The rain cloud humidifier work smoothly and no noise. Made of premium BPA-free materials and automatically shut off when short of water that is safety to use. [Refresh Fragrance] Add 2 drops of essential oils on the rain cloud aroma diffuser humidifier that enable to release fragrance in the room. Create a relaxing and comfortable environment. The essential oil diffusing as the water flowing and add water can last the fragrance for more than 48 hours. (Essential oils are not included in the package). [Easy to Use] This rain cloud humidifier is easy to use. Firstly, press the middle power button to turn on the rain cloud humidifier. Long press for 3 seconds to set the automatic shutdown after 5 hours. Press the light button to switch the light color; 3 seconds long press the light button switching to breathing light mode. Press the rain button to adjust the size of the rain (heavy rain, light rain, no rain); 3 seconds long press the rain button adjusting the mist amount.