By default, the Bluetooth adapter does not power on after a reboot or resuming from suspend. If you would like the adapter to be powered on after reboot or resume, set AutoEnable=true in /etc/bluetooth/main.conf in the [Policy] section:
```
/etc/bluetooth/main.conf
[Policy]
AutoEnable=true
Discoverable on startup
```
If the device should always be visible and directly connectable: