mazon has a usb bluetooth dongle for $6.49 that works perfect on Bookworm. Warmstor Bluetooth 5.1 Dongle Receiver ONLY compatible with windows 11/10/8.1/8/7. This statement is not true currently. It has a rtl8761b chip that is linux supported in Kernel 5.8 and above. I have two of these on my 2 OLD HP laptops {G60. DV4}running BookwormPup64.
Enjoy the tunes with no wires!
pete