Here's a link to information on using a Braille display with the Fire tablets:
https://www.amazon.com/gp/help/customer/display.html?nodeId=201829370
Note that, on my screen at least, this URL spans two lines.
Try as I might, I have never successfully paired my Fire with either of
the Humanware notetakers I have.
Kathy Blackburn
kblackbn@xxxxxxxxxx