This is part of the new generation of electric face mask with purifying air valve.
This electric face mask supplies fresh air with the electric air purifyer it contains. 
Five layer purification inner cover: 3D silicone seal, one-time stamping
The mask uses filter elements of high technology textile fabric + H12 filter + food grade silicone to ensure no damage and comfortable wear.
The mask uses filter elements of N95 grade and high quality polyester.
Electric intelligent air purifying technology, produce air with high effectivity and actively deliver fresh air.
HEPA 99% strong filtering effect of medical grade; Right inlet and left outlet make sure air in and out orderly, effectively cycling.
Fit face in 3D and keep good sealing; It has large space within mask for air cycling.
Built-in 400mA safety li-battery can work for 4-6 hours.
Charging time only need about 30 minutes.
Battery life have 3 years at least.
Protection against gases, smells, PM2.5, pollen, second smoke and pathogens such as viruses and bacteria.
It can be used for Running / Travel / Dust / Air Pollution / Motorcycle / Sport.
 
Package Includes
1X Electric Air Purifying Masks
1X USB Cable
1X Bag
1X English Manual
5X Filter