Firstsing Smart Electric PM2.5 Anti Haze Mask Anti fog Antibacterial Dustproof Valve For Riding

Description:
Grinding process
USB charging, 5-8 hours use
It is good at fitting human face closely
Left and right outlets make you breath freely
The mask is good at keeping you away from PM2.5, haze and smog
There is ON/OFF switch, also you can adjust 3 grades by the button
It is made of Germany WACKER PP electrostatic filter cotton and CUNO melt-blown filter
Breathable, waterproof, dustproof, antifogging, windproof, fashionable, high tech and colorful
Ideal for motorcycle racing, cycling, skiing, skating, fishing, climbing and other outdoor sports

Specification:
Color: Pink, Blue, White,Green
Material: ABS, PC, Electrostatic Filter Cotton