10.How to control the K13 R2R in the FiiO Control App?

Here are the steps to control the K13 R2R in FiiO Control App.

1.Please update the FiiO Control App to the latest version (Click the link to get the latest Android version:

https://forum.fiio.com/note/showNoteContent.do?id=202105071628040377809&tid=17

2.Ensure that the FiiO Control App is the latest version. Enter My devices->Tap the K13 R2R to complete the connection. After a successful connection, it will enter the Bluetooth control menu.