Tying to have the Bluetooth connectivity disconnected, I did reboot multiple times until eventually I could do so. Like always after rebooting I could connect the sound to my Bluetooth device, but immediately after shutting the device off and seeking to reconnect no sound arrived to the Bluetooth device. https://www.bluetoothspeaker.top/new-arrival-multi-functional-outdoor-camping-lantern-wireless-bt-waterproof-speaker/