Tying to have the Bluetooth connectivity disconnected, I did reboot multiple times till I could do this. Like always right after rebooting I could connect the sound to my Bluetooth device, but after shutting the device off and seeking to reconnect no sound arrived to your Bluetooth device. It’s https://www.bluetoothspeaker.top/bluetooth-speaker-led-lights-bulb-wireless-speaker-for-camping-music-player-bt-speakers/