Very first, be certain your Bluetooth microphone and speaker are absolutely charged. Turn on each devices and allow Bluetooth pairing mode. Once connected, test the audio quality by playing music through the speaker while singing into the microphone. Waterproof portable speakers and rugged outdoor speakers from brands like Bose https://www.bluetoothspeaker.top/wireless-bluetooth-speaker-original-nice-sound-with-bass-good-price-high-quality/