Portable Travel Humidifier- Mini Portable Humidifier Can be placed in any container and easy to use. USB design makes charging easier. The portable humidifier is suitable for home, office, car, hotel, dorm, camping and outdoor. Anywhere you can plug in a USB plug, on-the-go convenience is guaranteed. Silent Ultrasonic Wave Humidifier- The silent humidifier adopts ultrasonic wave technology, very quiet and anti-interference during work or sleep. It will turn off automatically, so it's safe, don't worry when you sleep. The humidifier can be used for 8 hours at a time, automatically turns off after 8 hours, and can be used again after it is turned on alleviate the inconveniences caused by drying. When you're on the go, use it. Sit back, relax and make your car a stress-free, peaceful place to enjoy. Ideal for your family, friends and lover. Specification: Name: Bottle Cup Humidifier Product Size: Approx. 215*54mm Spray Amount: 30-40ml / Aroma Diffuser Humidifier Noise: 30dB Applicable place: office, car, home, hotel Occasion: working, driving, yoga, reading, sleeping, traveling, SPA and so on br/>Weight: about 82g Package: 1 x humidifier