Product Description: Quantity: 1pcs Color: black Personal care Diffuser: humidifier will produce ultra small water drops and a large amount of oxygen ions into the air around you, which can absorb and take away dust and unhealthy items around you, and purify the air to make you feel happy, clean and happy driving experience No sound design, only produce less than 35 decibels of sound, very quiet, give you a perfect sleep. You can even use it for children and pets at home. Press the button for 1.5 seconds and the light will automatically turn on. Press 1.5 seconds more to turn on the light. Perfect Aroma diffuser and Humidifier, for any small area eg car, working desktop, bedroom, pet room ect.. Perfect high-tech gift idea makes ALL will it This mini USB humidifier has two modes. The first mode, you need to press once, will continue to spray for 4.5 hours. The second mode, you need to press again, it will spray (stop for 3 seconds) for 9 hours. Improve the air quality in the car: This humidifier can clean the air, release more oxygen, let your surroundings give out sweet breath, and protect your leather products with more humidity, and make you feel energetic.