Tying to get the Bluetooth connectivity disconnected, I did reboot multiple times till I could achieve this. Like always just after rebooting I could connect the sound to my Bluetooth device, but just after shutting the device off and wanting to reconnect no sound came for the Bluetooth device. https://www.bluetoothspeaker.top/high-end-bluetooth-speaker-with-wireless-microphone-for-karaoke-outdoor-activity/