N95 Electric Air Purifying Face Masks

N95 Mask Filters Half Face Dust Gas Folding Mask KN95 mask Respirator Safety Protective Mask Anti Dust Anti Organic Vapors PM2.5 Type: KN95 Protective Mask ≥KN95 Color:White Product model: X003 Mask cover: KN95 cover Module: Fresh air module Filter efficiency: 99.98% (particulate matter above 0.3 microns) Battery capacity: 600MAH Input voltage: 5V Maximum fan volume: 4.5CMF Maximum noise: 27DBA Features: Intelligent fresh air active air supply Fan air volume: third gear Charging time: about 2H Life time: high speed 4H, medium speed 6H, low speed 8H   Package included: Weak air module * 1 Fixed piece * 1 Mask body * 3 Fresh air module filter * 5 Data cable * 1 Manual * 1   Features: 100% brand new and high quality. Protection against gases, smells,PM2.5, pollen, second smoke and pathogens such as viruses and bacteria. Suitable for buses, subways, hospitals, sports, hiking, etc. It is ideal for protecting your mouth and face. Suitable for cycling, running, cycling, skiing, etc. Electric