White Adjustable Height Donut Usb Humidifier Ultrasonic Mist Make

PORTABLE and BONUS A WATER BOTTLE: Compact size, just like a pen. The mini portable vaporiser adopts USB power supply, you also can use a 350ml water bottle to match this USB humidifier, perfect for car, office, hotel, travel, etc.Length Adjustable and Healthier: The length of mini humidifier can be adjusted by Cotton Core. Portable mist humidifier come with 2 Cotton Cores(long*1, short*1) to match different containers, such as mug, bottle. and the cotton core can filter water before atomizing, and release clean water mist to ensure you can breathe healthier air. Note: Please make sure the cotton core has soaked a few minutes.Ultrasonic Quiet Humidifier: The silent humidifier adopts newest ultrasonic technology. Operating noise of this quiet humidifier is less than 30dB, it won't disturb your rest even at night. The humidifiers for home will be shut-off after 8 hours automatically, no worry while sleeping, and you can open again and continue to use.Large Spray and Quick Humidifying: 35ml/h spray amount and humidifying efficiency can up to 99%, and mist spray is fine and uniform, room humidifier can quickly reach the relative humidity requirement. This portable humidifier can improve dry air and increase air humidity effectively. Suitable for living room, bedroom, car, baby room, dorm, etc.colour:whiteMaterial:ABS+PP+ electronic componentssize:54mm in diameterPackage Contents:1 * Donut Humidifier1 * usb cable2 * Cotton Cores(long*1, short*1)1 * User manualOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.