This Mini USB Humidifier is easy to operate and you can carrier it for travel ,home ,office,car . It is very convenient to use and it just needs a cup of water .Cool mist and whisper-quiet operation, mini design ,air purifier. It is also a perfect gift.Item No.:YYM-JSQ 15 006Function:1.Humidifying2.Air PurificationFeatures:1. Newest Ultrasonic technology, Atomization even more delicate, Not wet Desktop2. Mini design, easy to carry and daily use3. Directly from the USB interface, power supply, easy to use