Tying to get the Bluetooth connectivity disconnected, I did reboot multiple times until I could do this. Like always right after rebooting I could connect the sound to my Bluetooth device, but right after shutting the device off and attempting to reconnect no sound arrived for the Bluetooth device. https://www.bluetoothspeaker.top/home-theatre-system-woofer-sport-speaker-double-tws-bluetooth-speaker/