Been a couple of years since I last checked, looks like I'm at 23 now.
free-dc claims 24, but I have LHC@Home 1.0 & LHC Dev@Home at the exact same amount of points.
Bluetooth is designed for low power, not high transfer speed, so you would not get a pleasant experience from having anything other than mice, keyboards etc. connected using Bluetooth.
I do not think anyone would bother creating such a device, as the good usage scenarios are very limited.
Running Ubuntu 18.04 is getting a bit old, so I have spend some time on getting this to work with 20.04.
I do not have a fresh 20.04 install to test this on at the moment, so I do not know if this works out of the box.
My previous post for getting CernVM-FS is still valid and should be...