Yes, just like you read it: Reusable Mask With Electric Air Breathing Purifyer.
This is the newest respirator PM2.5 air filtration, anti-dust and anti air pollution reusable mask with rechargeable air purifyer valve for all outdoor activities. It is breatheable, lightweight, windproof and, above all, the main features to be outlined are:
 
Features
Nano-fiber electric filtering technology, the air filter is apparently able to achieve PM2.5 filtration efficiency of up to 99 percent.
Three adjustable modes with the a thin fan with 3 speeds, which you can adjust by a button.
Reusable mouth mask designed to respond to different demands, weather conditions and relieving the suffocating feelings.
Food-grade PC material, quiet and ultra-thin fan which make the mask very safe and comfortable to wear. 
Three-dimensional structures, compact appearance, and lightweight design.
A perfect gift for outdoor sports.
 
Tech specifications
Brand: Purely, designed by Xiaomi
Model: HZSN001
Color: Gray 
Material: PC, PP 
Main features: Breathable and windproof
Rated voltage: DC 5V
Rated power: 0.4W
Battery:  Rechargeable lithium-ion battery 
Battery service Time: 4 - 8 hours 
Weight: 50.5g
 
What's in the package
1 x Air face mask
1 x Face mask filter 
5 x 26mm purely filter 
1 x Spare mask cap
1 x 30mm spare cap
1x Face mask storage case
1 x Face mask buckle
 
Things to keep in mind
This product and all the other ones we trade is subject to the laws of your country.