Control Sonos, Bose, JBL, Sony funktioniert nicht

Play music on phone library to the speakers in the highest quality, you can also adjust the volume, control the music player with a convenient built-in media controller.  Connect, Controller and Cast Music to the most popular speakers, including Sonos, JBL, Bose, Sony,... through Wifi network, we allow you to experience an infinite tool to enhance your speakers.  Please make sure that you have already set up the speakers and connect them to the wifi that your phone are connecting to. - Adjust volume, media controller: play, next, pause.  With wifi connection, you are able to play music to the Speaker and continue to do anything on your phone at once.  This method also prevents any throwbacks that bluetooth connection may cause, including distance limits, inquality and distraction from phone activities.  Casting music to the speaker without any distraction, a waiting list of songs can be added to cast.  We are offering the following packages: Premium Subscription: Weekly ($0. 99) & Monthly ($2. 99), In-app purchase: Lifetime ($10. 99).  With intuitive User Interface, you can use the features right after open the app.  Premium users have unlimited access to all app features without Ads.