Colorful Light Effect - Turn on this humidifier and its colorful light effect will light up. Its color will change randomly among these 7 colors. And long press the button for 3 seconds to turn on or off the light effect. WORKS GOOD - This small humidifier works efficiently. The water mist will be completely diffused into the air, and there will be no water droplets to wet the table. Quiet Humidifier - Designed with noise reduction. During use, this room humidifier produces a very quiet sound of about 20 decibels. Pregnant women, the elderly, and children can all use it. Multifunctional - You will get a multifunctional portable humidifier, because the humidifier is equipped with a USB output, which can make a USB fan or USB LED light work while working. 250ml Large Capacity - This bedroom humidifier has a large capacity of 250ml. It can work for 12 hours in intermittent spray mode, which means you don't need to add water as often.