nixpkgs/nixos/modules/services/desktops/pipewire/bluez-monitor.conf.json

{
  "properties": {},
  "rules": [
    {
      "matches": [
        {
          "device.name": "~bluez_card.*"
        }
      ],
      "actions": {
        "update-props": {
          "bluez5.auto-connect": [
            "hfp_hf",
            "hsp_hs",
            "a2dp_sink"
          ]
        }
      }
    },
    {
      "matches": [
        {
          "node.name": "~bluez_input.*"
        },
        {
          "node.name": "~bluez_output.*"
        }
      ],
      "actions": {
        "update-props": {
          "node.pause-on-idle": false
        }
      }
    }
  ]
}