Breathe easier,Personal Wearable Air Purifiers,Reusable Portable Air Purifier with HEPA Filter,For Dust Work,Sawdust,Cycling,Running,Mountaineering, Outdoor Sports,Work Protection (Black) - Rsenr

• 【Product features】Supplied fresh air system is equipped with portable power sources mainly overcome the problems of big air intaking resistance, difficulties in breathing,Can be used for work protection, or outdoor sports,travel, training,running etc. 【Easy to wear】 The mini purifier can be trouser pocket, etc.Unique electronic ventilation design system, to keep the fresh air flowing through your nose and mouth, suitable for long time use. 【Battery life】 adjustable wind speed, can be used for 8-10 hours with full charge, larger battery capacity, longer working time. 【Filter replacement time】Continuous 500hours working by each filter element 【Air supply system】Equipped with a mini air purifier to provide air supply, making your breathing more comfortable.