- -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
- 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
