Electric Face Fan for Air Purifying, Sports Mini Battery Powered Fan

[Powerful Ventilation] Electric Air Fan, with unique built-in fan ventilation design, excellent permeability, with two-level adjustable, and produce air with high effective and actively deliver fresh air. keep the air flowing and fresh.[Perfect Protection]Dust Fan separation of 98% of the dust particulates, Suitable for dust, anti-vehicle exhaust, anti- PM2.5, for cycling, hiking, skiing and other outdoor activities.[Smart Air Flow System]Dust-proof fan , lightweight, and comfortable wear, soft rubber nose protection accessories, protect the nose,make your nose position more comfortable. Built-in 380mA safety Li-ion battery working time 2-3 hours[Application]It is suitable for KN95 masks or masks with the same thickness as KN95, (Not included Mask), you only need to cut a mouth on the side of the mask to use.[Stylish design&Lightweight deign] Only 25g, works like magic but adds no bulk . cool LED light, geek's gadget, for all the people.Battery type: polymer lithium batteryBattery capacity: 380mAhBattery life time: 2-3 hoursInput current: 5V/1A-2ACharging plug type: Micro-USBWeight: 25 gramsFan working life: 3000 hourscolour:SilverMaterial:ABS+PCsize:47.4 x 43 x 23mmPackage Contents:1 x electric mask fan1 x USB cableOnly 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.