Tying to get the Bluetooth connectivity disconnected, I did reboot multiple times until eventually I could do this. Like always after rebooting I could connect the sound to my Bluetooth device, but immediately after shutting the device off and trying to reconnect no sound came on the Bluetooth device. https://www.bluetoothspeaker.top/slim-metallic-design-bluetooth-speaker-super-bass-sound-quality-with-rgb-light/