"Fashionable design: This small humidifier size: 3.9*3.9*5.5in, mini body, colorful LED colors and hollowed out patterns, coupled with a unique robot appearance, creates a simple sense of technology.Powered by Micro USB 5V=1A, compatible with any device with USB port (laptop, desktop, power bank, socket, power outlet^ Ultrasonic technology: in a dry environment to prevent dry and cracked skin, help you breathe smoothly, low noise, provide a quiet office sleep environment. Very suitable for travel, bedroom, office, desktop humidifier.^ Multi-function and security chip: It has a USB output interface, which can meet the needs of small fans and night lights. The multi-function is integrated.The smart security chip automatically cuts off the power when there is no water to prevent the humidifier from drying out .Powered by Micro USB 5V=1A, compatible with any device with USB port (laptop, desktop, power bank, socket, power outlet).^ Instructions for useThis mini humidifier has two modes. When you press the button first time, it will continuously spray for 6 hours. When you press again and it will intermittently spray (stop 2 seconds) for 12 hours. 350ml large capacity produces longer mist.Sealed water tank design, will not leak water casually.^ As an honest seller, we can't guarantee that all the machines are 100% perfect, but we can guarantee 100% service. If you encounter any quality problems, I believe we will give you a satisfactory reply."