LG is also making a powered assist facemask, seems the press relase is not clear as if it filters exhaled breath.
https://arstechnica.com/gadgets/2020...ng-effortless/
LG is also making a powered assist facemask, seems the press relase is not clear as if it filters exhaled breath.
https://arstechnica.com/gadgets/2020...ng-effortless/