1Improve the air quality in the car: This humidifier can purify the air, release more oxygen, make the surroundings emit a sweet smell, provide more humidity protection for your leather products, and make you refreshed. 2Personal care diffuser: The humidifier will produce ultra-small water droplets and a large amount of oxygen ions into the air around you, which can absorb and take away the dust and unhealthy items around you, purify the air, and make you feel good, Clean and happy driving experience 3This mini USB humidifier has two modes. In the first mode, you need to press it once to turn on the colorful atmosphere lights. In the second mode, you need to press it again to fix the ambient light, and the third press to turn off the ambient light. 4Extended interface, you can charge the mobile phone without occupying the interface 5This desktop portable humidifier can hold 310ml of water for about 8 hours. The water level window helps you check the water level.