Speaker & Headphones Connect funktioniert nicht

Cast your favorite songs of any music center to TVs, headphones and speakers. - Connect any wireless headphones, speakers through Airplay, wifi and Bluetooth. - Sync Youtube, Spotify, Apple Music accounts into one app. - Turn your phone into a live microphone by tapping the record button.  Smart connect any speakers and headphones that support Airplay with our Headphones & Speakers Connect App.  It is never been easier to enjoy karaoke in the comfort of your own home. - Instantly record, stream and share your audios with your friends.  We are not affiliated with the mentioned companies in any way.  We only developed and tested our app with these devices. - Spotify, Apple Music, Airplay are trademarks of Apple Inc. , registered in the U. S. and other countries. - Youtube is trademark of Google LLC Limited Liability Company registered in the U. S. and other countries. - Make sure your device and your speaker are connected to the same wifi network. - In order to use the app, your speaker must support Airplay. • Payment will be charged to your iTunes account at confirmation of purchase and will automatically renew (at the duration/price selected) unless auto-renew is turned off at least 24 hours before the end of the current period. • Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. • You can manage your subscription and/or turn off auto-renewal by going to your iTunes Account Settings, but refunds will not be given for any unused portion of the term.