Gaming equipment maker Razer has created a reusable face mask featuring a medical-grade respirator and an in-built microphone and amplifier.
원문출처 : https://www.cnn.com/2021/01/13/americas/razer-smart-face-mask-scli-intl-wellness/index.html
원문출처 : https://www.cnn.com/2021/01/13/americas/razer-smart-face-mask-scli-intl-wellness/index.html