First, guarantee your Bluetooth microphone and speaker are completely charged. Turn on both devices and help Bluetooth pairing mode. Once connected, test the audio quality by playing music through the speaker while singing into the microphone. Our group also stated the waterproofing and longevity of the Bluetooth loudspeaker, but https://www.bluetoothspeaker.top/best-sellers-bluetooth-speaker-system-mobile-music-audio-from-china-factory/