Comment 2 for bug 1993668

More information.

Device:

```
$ wpctl inspect 66
id 66, type PipeWire:Interface:Device
    api.bluez5.address = "74:74:46:1F:3A:63"
    api.bluez5.class = "0x240404"
    api.bluez5.connection = "disconnected"
    api.bluez5.device = ""
    api.bluez5.icon = "audio-headset"
    api.bluez5.path = "/org/bluez/hci0/dev_74_74_46_1F_3A_63"
    bluez5.auto-connect = "[ hfp_hf hsp_hs a2dp_sink ]"
    bluez5.profile = "off"
  * client.id = "32"
    device.alias = "Pixel Buds Pro de Hadrien"
  * device.api = "bluez5"
    device.bus = "bluetooth"
  * device.description = "Pixel Buds Pro de Hadrien"
    device.form-factor = "headset"
    device.icon-name = "audio-headset-bluetooth"
  * device.name = "bluez_card.74_74_46_1F_3A_63"
    device.product.id = "0x3004"
    device.string = "74:74:46:1F:3A:63"
    device.vendor.id = "bluetooth:00e0"
  * factory.id = "14"
  * media.class = "Audio/Device"
  * object.serial = "438"
```

Sink:

```
$ wpctl inspect 128
id 128, type PipeWire:Interface:Node
    api.bluez5.address = "74:74:46:1F:3A:63"
    api.bluez5.codec = "cvsd"
    api.bluez5.profile = "headset-head-unit"
    api.bluez5.transport = ""
    audio.adapt.follower = ""
    card.profile.device = "1"
  * client.id = "32"
    clock.quantum-limit = "8192"
    device.api = "bluez5"
  * device.id = "66"
    device.intended-roles = "Communication"
    device.routes = "1"
  * factory.id = "8"
    factory.mode = "merge"
    factory.name = "api.bluez5.sco.sink"
    library.name = "audioconvert/libspa-audioconvert"
  * media.class = "Audio/Sink"
  * node.description = "Pixel Buds Pro de Hadrien"
    node.driver = "true"
  * node.name = "bluez_output.74_74_46_1F_3A_63.1"
    node.pause-on-idle = "false"
  * object.serial = "440"
  * priority.driver = "1010"
  * priority.session = "1010"
```

Source:

```
$ wpctl inspect 81
id 81, type PipeWire:Interface:Node
    api.bluez5.address = "74:74:46:1F:3A:63"
    api.bluez5.codec = "cvsd"
    api.bluez5.profile = "headset-head-unit"
    api.bluez5.transport = ""
    audio.adapt.follower = ""
    card.profile.device = "0"
  * client.id = "32"
    clock.quantum-limit = "8192"
    device.api = "bluez5"
  * device.id = "66"
    device.intended-roles = "Communication"
    device.routes = "1"
  * factory.id = "8"
    factory.mode = "split"
    factory.name = "api.bluez5.sco.source"
    library.name = "audioconvert/libspa-audioconvert"
  * media.class = "Audio/Source"
  * node.description = "Pixel Buds Pro de Hadrien"
    node.driver = "true"
  * node.name = "bluez_input.74_74_46_1F_3A_63.0"
    node.pause-on-idle = "false"
  * object.serial = "439"
  * priority.driver = "2010"
  * priority.session = "2010"
```