pi-bluetooth and bluez are already installed on recent Raspbian.
sudo apt update sudo apt install pulseaudio pulseaudio-module-bluetooth
Add your pi user to the bluetooth group:
sudo usermod -G bluetooth -a pi sudo reboot
Start a pulseaudio server:
At # prompt use "help" if you want more details about the available commands. The first time, you'll have to run the following:
power on agent on scan on wait for the device to be discovered, note it's address (you can then use tab for auto-completion) pair <dev> trust <dev> connect <dev> wait for the confirmation, then quit
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