Description

• 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