Dream Colorful Night Light, romantic, comfortable, rest, promotes healthier and comfortable breathing, human delicate skin to absorb moisture accelerate through portable humidifiers and air, and can help prevent many health problems. Consistant stream of cool water mist refreshes your face & skin to ensure your comfort on a warm day. Versatile plug in choices with USB Cable & AC Adapter will provide you flexible recharging options. To extend the life of this product, we not recommend using mineral supplement oil, vinegar, perfume etc.