I've got a beats solo pro. I do see some promising stuff in `journalctl -b`
```
Sep 24 18:17:10 mills-mess kernel: input: Brad Pitcher’s Solo Pro (AVRCP) as /devices/virtual/input/input6
Sep 24 18:17:10 mills-mess systemd-logind[424]: Watching system buttons on /dev/input/event3 (Brad Pitcher’s Solo Pro (AVRCP))
```