Enable quick share to receive from everyone (if using different google account) in receiver side, this should be there in quick setting from swipe down (if not there, maybe it’s hidden, try to find it in edit setting). And then on sender when sharing, just use quick share. It will then show nearest devices.

Afaik, it will use wifi to transfer the file, so it’s much faster than simple Bluetooth

Been using Boox Poke 5 for more than a year. Really happy with it.

Latest android update added quick share which is much better than bluetooth to transfer my epub and other files

Related key & peele skit https://youtu.be/mOyE_l80D4Y