- 100% brand high quality, made of medical silicone material.

- Advance protective filtration, intelligent air supply.

- Five-layer filtration system to efficiently filter haze, dust and small particles.

- Rechargeable Battery and replaceable filter, the mask filter is replaceable, offer cleaner air to protect your mouth, nose and lung.

- Comfortable for long periods of time and is easy to clean for day to day wearing.

- Built-in 780mA safety li-battery can work for 4~5 hours. Charging time only need about 2h.

- Suitable for adults and kids.