[Unit]
Description=Bluetooth Auth Agent
After=bluetooth.service
PartOf=bluetooth.service

[Service]
Type=simple
ExecStartPre=/usr/bin/bt-adapter -s Powered on
ExecStartPre=/usr/bin/bt-adapter -s Discoverable on
ExecStart=/usr/bin/bt-agent -c NoInputNoOutput -p /etc/bluetooth/pin.conf

[Install]
WantedBy=bluetooth.target