[Unit] Description=bt-agent to accept bluetooth connections without pin After=bluetooth.service RestartSec=3 Restart=always [Service] Type=simple Restart=always RestartSec=1 User=root # make first adaptor discoverable ExecStartPre=/bin/start_bt_discoverable {{bluetooth_mac_address_audio}} {{bluetooth_name}} ExecStart=bt-agent -c NoInputNoOutput [Install] WantedBy=bluetooth.target