Color:Mask + 10 fliter Main Features:  - 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 
Trustpilot
3 days ago
3 weeks ago
