fashionable dust protecting mask, breathable and comfortable, ideal for Dust,, Smoke, Pollution, Ash, Pollen. Suitable For Running , Cycling , Hiking , Skiing And Other Outdoor Activities. If you work on gardening, Nail Tech, craftsman such as cook, carpenter, plasterer ect, the anti-dust respirator is also a good choice.

【Healthy breathing 】-- The electric fan uses a 4-stage suction filter design that allows the entire mask to be filled with fresh air.

【Washable and replaceable 】-- The mask can be washed when they get dirty, the mask filter is replaceable, offer cleaner air to protect your mouth, nose and lung. It is comfortable for long periods of time and is easy to clean for day to day wearing.

【Mini Air Purifier】--Built-in 650 mAh lithium polymer battery, which can be charged by USB, it can last 5-6 hours when fully charged. It is an air purifier that can be worn on the face, with good purification effect;

【after sales guarantee】--if there is any problem with the product, you

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