This smart face-mask auto-translates languages as you speak!

Wear the C-Face Mask and you aren’t just granted clean, purified air… you also get the power to talk in multiple languages! Designed by Japan-based Donut Robotics, the C-Face mask is a universal mask-cover that fits on top of your standard face mask. Switch it on, and the C-Face mask connects to your smartphone, giving you a wide variety of smart features.

https://www.yankodesign.com/2020/07/31/this-smart-face-mask-auto-translates-languages-as-you-speak/