Answer

After upgrade to Windows 11, the default setting in Quick Settings Panel in the right Taskbar combines Wi-Fi, Bluetooth, airplane mode, power saver, focus assistant, accessibility, audio volume and screen brightness settings that make more convenient for users. Users can also set quick settings 

1. Click on the speaker, battery or network icon in the lower right corner of the desktop

2. In the system tray, you can adjust the volume, screen brightness, turn on Wi-Fi, Bluetooth or airplane mode, etc...

3. You can select audio output device through click arrow beside volume.

4. When the WiFi is enabled, you could select connectable device by click the arrow beside.