* 'Capture' audio from other apps and play it through the app's own USB audio driver in high quality. Although one fixed sample rate has to be selected in advance, high quality playback of streaming services like TIDAL, Qobuz, Deezer and Apple Music are possible and even from other apps such as PowerAMP.
For streaming services that do not work with it like Spotify, you can use a web browser like Opera (Chrome will not work). Although YouTube works, the latency is too high.
* and much more..