Features:
1.Portable and Small size--Portable design,perfect for travel accessory. Small size makes it easy to take with you anywhere.It will work anywhere you can plug in a USB for added on-the-go convenience!
2.Cool Mist and Container diversity--It can effectively moisturize dry skin,help you to reduce skin drying and peeling.Besides,it is the best choice for you if your eyes feel dry and sour.Length adjustable so it can combine with different containers.Such as mug,normal glass,bottle or mineral water bottle.
3.Super Quiet Mini Humidifier--Power on and the indicator works,it will auto off after 5s.DC power mute humidification,achieve silent healthy humidification.Do not disturb your work and rest. This humidifier can help to improve your sleep quality invisibly.When you put it in your bedside table, you can hardly hear its noise.
4.Partner for Car/Office/Travel--This product allow you to take it wherever you go.It can easily fit in handbags, backpacks,and suitcases.And it also fits perfectly in cup holder of the car.
5. Tip: Before opening, please ensure that the cotton core has been soaked for a few minutes. It is recommended to use mineral water and cold boiling water for the humidifier. This product can not use pure water, distilled water or tap water with more impurities.

Specification:
Name: Donut Humidifier
Function: Negative ion
Water shortage protection: not supported
Timing function: no timing
Power mode: USB
Rated voltage: 2.5-5 (V)
Noise: less than 36dB
Suitable for: Car home business