Mi Anti-pollution Purely Air Mask original

Mi Anti-pollution Purely Air Mask ( original )

Nano-fiber electret filtering technology, the air filter is apparently able to achieve PM2.5 filtration efficiency of up to 99 percent
Three adjustable modes, the mask has a thin fan with 3 speeds, and you can adjust the fan speed by a button,

which is designed for meeting different demands on various conditions and relieving the suffocating feelings
Food-grade PC material, quiet and ultra-thin fan, the mask is safe and comfortable to wear
Three-dimensional structure, compact appearance, and lightweight design
A perfect gift for outdoor sports
Specification:

Material: PP and PC
Rated voltage: DC 5V
Rated power: 0.4W
Battery: 500mAh rechargeable lithium-ion battery
Battery service time: 4 - 8 hours
Weight: 50.5g