EZ Link Setup funktioniert nicht

To enable this button and use the EZ Link feature, you need to establish parental consent and select a preferred streaming service that the EZ Link will use to access content.  Once the EZ Link feature is enabled, leave the app running in the background, but you do not need to use this app again unless you wish to disable the feature, or change your preferred streaming service.  Do I have to leave the EZ Link Setup App open? 

The EZ Link button, once enabled, will connect the user to existing playlists on their selected streaming service.  To open the streaming service, and access the playlist, the EZ Link Setup App does need to be running.  Once the feature is enabled, please leave EZ Link Setup App open to allow the EZ Link feature to operate.  Next, you will need to answer a few short questions to prove that you are an adult, and then agree to the terms and conditions of using the EZ Link feature.  To unlock this feature, first, connect the Bluetooth device running this app to the karaoke machine with the EZ Link feature.  Our karaoke machines are shipped with the EZ Link feature button disabled.  How do I enable the EZ Link feature?  This is a one-time activation.  Lastly, select the streaming service you would like the EZ Link feature to use.