Fan，Portable Protective Breathable Face_Mask，USB Activities Review

【Rechargeable Mask Mini Fan】Unique electronic ventilation design system, rotates 6000 times per minute ,accelerates the exhaust of breathing exhaust gas and moisture, and keeps fresh air flowing through your mouth ,suitable for long time use. 【Low Noise Operation】 Uses a Nano Silver Coated Filters can filter the fresh air through the mask to improve the safety of the mask. 3 super-quiet fan speeds with 25dB working noise. 【Easy Charging】Powered by Type-c rechargeable large capacity lithium battery. You can use it up to 4 hours of non-stop cooling from a single charge. Compatible to multiple charging methods: power bank, adapter, computer. Making sure you breathe fresh air wherever you go. 【Convenient to Carry】The weight of the mini fan is only 21grams, and the total weight of the wearer is only 70 grams. 【Suitable for All Kinds of Mask】It can easily attach to your mask. Clip it on and off on any mask types such as surgical medical masks, sewn or fabric masks and many more. If you have any dissatisfaction or concerns about the product, please feel free to contact us, we provide support for you within 24 hours.