bluetooth keyboard

The following happens every day, several times a day: My bluetooth keyboard (or Bodhi's bluetooth manager) seems to always shut down when not in use. The blueman icon on the task bar occassionally disappears, and the keyboard provides no input when typing. Also, it it still listed in the...

so, i bought a bluetooth keyboard thats works on windows and macos, but im using the ubuntu 22.04.3 and connect, but does not work, i type and nothing. can someone help me? (i use a bluetooth adapter cause my notebook is old) this is the keyboard...