How to control the BTR13 in the FiiO Control App?

Here are the steps to control the BTR13 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 BTR13 to complete the connection. After a successful connection, it will enter the Bluetooth control menu.