Tying to get the Bluetooth connectivity disconnected, I did reboot multiple times right up until I could do this. Like always following rebooting I could connect the sound to my Bluetooth device, but following shutting the device off and wanting to reconnect no sound came on the Bluetooth device. https://www.bluetoothspeaker.top/hot-selling-wireless-bluetooth-speaker-with-hands-free-phone-calling-and-tf-card/