[IMPROVE AIR QUALITY]: This humidifier can purify the air, release more oxygen, give your environment a sweet breath and provide more moisture for your leather products, making you full of vitality. [AUTOMATIC POWER OFF DESIGN]: This portable desktop humidifier can hold 200ml of water. The water level window helps you check the water quantity. Once the water runs out, it will automatically turn off to protect the equipment. [QUIET DESIGN]: Only produces less than 30 decibels of sound, very quiet and gives you a perfect sleep. You can even use it for children and pets at home. Press and hold the button for more than 1.5 seconds, the light will turn on automatically. Press for another 1.5 seconds to turn off the light. [TWO HUMIDIFICATION MODES]: This mini USB humidifier has two modes. In the first mode, you need to press it once and the mist will continue to appear. In the second mode, you need to press it again and mist will appear intermittently. [PERSONAL CARE DIFFUSER]: The