Well, as promised, here's the info...alas only available in GERMAN at the moment.
I already wrote to them about making those cards available in more languages (French, Italian and German)
https://www.bfsug.ch/informationen/d...k0JK1OhGAf2f1I
You can send and email to the 'bfsug'** in your region to pre-order the card. This version comes with an official text from the BAG (Swiss federal office for health) on the back, explainning that it legally IS ALLOWED to lower the mask to enable lipreading.
*** You'll find the closest branch (to you) of the bfsug on the main page by clicking on BERATUNGSSTELLEN