This free App is designed for the DELA/MELCO Music Library Products with USB Audio Device. This is one of the apps for selecting and controlling playback on Music Library with USB Audio Device. It also supports streaming playback from Qobuz/Tidal and Internet radio playback. If a USB audio device is recognised, you can also play it on your iPad itself. - Select Music inside Music Library and play it (Gapless Playback for internal drive) - Music inside your iPad, TIDAL/Qobuz/vTuner Internet Radio and NAS can be played also. (Due to operating environment dependencies, gapless playback is not guaranteed in these cases.) * If you need an App to control a Network Player (Streamer) connected to Music Library, this App is *NOT* suitable - Please consider using the app recommended by your network player brand or mConnect Player HD app. * When using this app, set the USB-DAC playback settings control mode to UPnP/DLNA compliant mode or hybrid mode. This app cannot be used in playlist mode or Roon Ready mode. * iPad Horizontal Screen Mode only is supported iPad are registered trademarks of Apple Inc. DLNA is a trademark of Digital Living Network Alliance. UPnP is a certification mark of the UPnP Forum in the United States and other countries. TIDAL is a trademark of TIDAL MUSIC AS. Qobuz is a trademark of XANDRIE SA. vTuner is a registered trademark of Nothing Else Matters Software, Ltd.