“Ssst, do you know that the bluetooth speaker is utilizing a radio frequency technology? You need to do? Perfectly, but do you know that radio frequency is strictly regulated? To connect your microphone to your Bluetooth speaker, ensure the two devices are turned on and in pairing mode. Should https://www.bluetoothspeaker.top/new-design-bluetooth-speaker-super-bass-wireless-bluetooth-speaker-support-tf-card-with-oem-odm/