Rsenr Fashion Powered Wearable Air Purifying Maskes with Filter,Washable,Rechargeable and

Product Features

• With Fan:Turn on the fan, Use sport filter and you will feel easier to breathe.
• Use fan sport filter?When doing outdoor sports, you can use the black sports filter to install it on the fan alone, so that the air volume is larger and the breathing is more comfortable.
• Replaceable filter:The filter is replaced every 3 days on average;
• Fan battery life: 4~6 hours of battery life when fully charged;
• About the fan: 2 speed adjustment, 1~2 hours can be fully charged. The fan is detachable, so you can install the fan on other products.