Here’s the list of devices supported by fprint
For non -standalone readers, you’ll have to look up the actual fingerprint reader embedded within it.
Edit: it looks like this is a Bluetooth keyboard. My guess is it’s highly unlikely to work with Linux as a fingerprint reader.
If you haven’t seen it yet, I can’t recommend Midnight Mass highly enough! Probably my favorite horror/spooky thing ever. Best to go in blind, I think. It’s not a mystery per se, but figuring out what’s going on is part of the fun for sure.