[IMPROVE AIR QUALITY]: This humidifier can purify the air, release more oxygen, make your environment smell fresh, and provide more moisture for your leather products, making you full of vitality. [AUTO POWER OFF DESIGN]: This desktop portable humidifier can hold 200ml of water. The water level window helps you check the amount of water. After the water runs out, it will automatically shut 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 buttonfor more than 1.5 seconds, the light will turn on automatically. Press for another 1.5 seconds to turn off the light. [DUAL HUMIDIFICATION MODES]: This mini USB humidifier has two modes. In the first mode, you need to press it once and the fog will continue to appear. In the second mode, you need to press it again and fog will appearintermittently. [PERSONAL CARE DIFFUSER]: The humidifier will produce ultra-fine water droplets and a large amount of oxygen ions in the air around you, which can absorb dust and unhealthy objects around of you, purify the air andmake you feel happy and clean. Pleasant driving experience!