Stop any stuffy and uncomfortable mask that is difficult breathe!
Cool and Comfortable with MAS ONE!!
CO2 Emissions / Drain Moisture and Heat / Preventing Foggy Glasses
* Backflow preventation a-shaped structre - Efficient to block external air
* Pleasant mask by mounting MAS ONE - No harmful substances / NO Co2
* Design with minimal contact area on the face - Comfortable fit
* Simple and economical USB charging method - Easy charging with C-type cable (1 hour and 30 mins to full charge)