Using this anion humidifier is easy. First, open the water tank and fill it with clean water up to the 200mL mark. Then, connect the data cable to the humidifier and plug it into a DC5V power source. You'll notice the humidifier start to spray moisture within a short time. When using it, place it on a flat surface away from direct sunlight and heat sources. Don't overfill the water tank as it may cause water leakage. For maintenance, clean the water tank regularly with mild soap and water to prevent bacteria growth. Also, make sure to dry it thoroughly before refilling. If you have any problems, refer to the bilingual manual included in the package.