Cloud USB-Powered 3-Color Gradient Light Humidifier [Rain Sound, Quiet Motor] Our Cloud Humidifier Rain uses a design that mimics the acoustics of natural raindrops, simulating the authentic, soothing sound of raindrops dripping from clouds. This creates a more natural sound of rain, and the ultra-quiet motor lets you enjoy the soothing effects of raindrops without interruption. It creates a relaxing and soothing atmosphere, perfect for relaxation and sleep. [7 Color Lights] This comfortable Cloud Rain diffuser features 7 soft colors (white, red, yellow, green, cyan, blue, and purple). You can keep one color, cycle through all the colors, or turn the light off. It creates a peaceful and warm environment that promotes relaxation and better sleep. This night light is perfect for a child/39;s room or anyone with insomnia. [Auto-Off] The Cloud Rain automatically shuts off when it runs out of water. Designed with your safety in mind, you can enjoy a good night/39;s sleep or work without worries. [Rechargeable] The Raindrop Humidifier comes with a 150cm charging cable. The 260ml capacity of the Cloud Mist Humidifier provides 26-30 hours of continuous use. [Suitable for All Occasions] The mist and lighting functions of this aromatherapy diffuser can be used independently. You can turn off the lights at night or use this Cloud Mist Humidifier as a nightlight. It/39;s a great companion for reading, sleeping, working, or yoga. Note: After adding water, gently press the button to turn it on. Wait 30 seconds for the gradual lighting to activate and the raindrops to slowly fall.