Two spray modes: Our humidifier has two spray modes. Click the button to activate the continuous spray mode, press the button again to activate the intermittent spray mode (stop for 3 seconds) and the third button to deactivate all spray modes. You can choose the mode according to your needs. Seven-color night light: Our humidifier has built-in colorful LED lights. Press and hold the button for 3 seconds to activate the colorful mood lighting mode, which can create a sweet and romantic sleeping atmosphere at night and let you have a more soothing sleeping experience, so it can be used as a humidifier, night light and home decoration. Ultrasonic Quiet Operation: Our humidifier uses ultrasonic technology, the working sound is less than 30dB, can create a calm and soothing environment for you, will not disturb your sleep and work, and can also provide you with fresh and clean air to moisturize dry skin, Keep your living space clean and well hydrated. Safe & Waterless Auto Power Off: 300ml water tank can provide up to 4-8 hours of continuous working time without frequent water addition. After the water runs out, the humidifier will automatically shut down, so you don't have to worry about damaging the device itself or causing danger to yourself. Portable USB Power SupplyOur humidifier is small in size and lightweight, which is very convenient to carry with you. The humidifier is USB powered and is compatible with any device with a USB port, such as laptops, desktops, power banks and power outlets.