[Easy to Use & Container Diversuty]Fill in your decorative bottle or jar, a coffee mug or drinking glass at work, or even a disposable water bottle when , insert it, hit the switch and you for many hours. Easy to assemble, easy to change the filter, easy to use. This is also an Perfect summer gift for men women mom dad kids mother's day father's day. [Mini Figure & Universal Power Solution]This mini humidifier is very with compact size(8.2 x 2.1 inches), the tube and cotton filter is removable, which allows you to take it anywhere you go pretty easy and convenient. Besides, It comes with a USB cable that you can plug into any power source like a power bank, laptop, or cell phone adapter. You can all over the world. [Peace & Quiet]30dB non-inductive operation can create a quieter sleeping environment and humidify your living space to prevent dry, stuffy air and flu/cold infecting you and your loved . Keep your skin hydrated even in winter. Also, there is no light when you press it to start which not disturb your sleep. [Tips of use]This mini humidifier do not have a rechargeable battery. Please use the USB cable to power the humidifier. And do not use essential oil, or it make the portable humidifier doesn't work. size: 21 x 5.5cm Material: plastic colour: White Package Contents: 1 x humidifier 1 x USB data cable 1 x cotton wick 1 x Instructions in Chinese and English Only the above package content, other products are not included. Note: Light reflection 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.