Quantity: 1 piece Colour: Black Personal care diffuser: The humidifier will produce ultra-fine water droplets and large amounts of oxygen ions into the air around you, which can absorb and take away dust and unhealthy items around you, purify the air, and make you feel happy and clean , happy driving experience No sound design, only produces sound below 35 decibels, very quiet, giving you a perfect sleep. You can even use it at home for children and pets. Press and hold the button for 1.5 seconds, the light will turn on automatically. Press for another 1.5 seconds to turn on the light. Perfect aroma diffuser and humidifier for any small area such as car, work desk, bedroom, pet room, etc. The perfect high-tech gift idea that makes it all happen This mini USB humidifier comes in two modes. The first mode requires one press and will continue to spray for 4.5 hours. Second mode, needs to be pressed again and it will spray (stop for 3 seconds) for 9 hours. Improve air quality in your car: This humidifier can purify the air, release more oxygen, make your surroundings smell sweet, and protect your leather goods with more humidity, leaving you feeling energized.