Bluetooth works great. Debian w/ XFCE (pulseaudio). But, there is some config on a fresh install:
# apt install blueman pulseaudio-module-bluetooth
# nano /etc/pulse/default.pa
add:
load-module module-switch-on-connect
# nano /etc/bluetooth/input.conf
change:
IdleTimeout=0
Yes. ssh’s RSA encryption uses liblzm.