【PORTABLE MINI HUMIDIFIER】 -This humidifier has a 220ML water tank, Small but powerful humidifiers quietly working for better cool . With instant refill and easy to clean. The best partner to enjoy healthier when traveling, bedroom, office, baby room and car with USB power supply. 【EASY CONTROL】-The portable humidifier is very easy to operate. One button control all functions. You just need to press the power button to control the mist. 【LOW NOISE】- This subwoofer humidifier operates with almost no sound. It will not disturb you when you sleep or work, it can effectively moisturize dry skin and help you reduce skin peeling. 【LIGHT】- The light effect lights can change, giving you more Companys in the quiet night. 【KIND REMINDER】 - ① Please make sure the cotton core has soaked a few minutes before you turn it on.