Very first, make certain your Bluetooth microphone and speaker are totally charged. Turn on equally devices and allow Bluetooth pairing mode. Once connected, test the audio quality by playing music through the speaker while singing into the microphone. The Monoprice Soundstage3 affords comparatively large sound in a midrange $250 https://www.bluetoothspeaker.top/bluetooth-speaker-wireless-speaker-with-multi-function-of-aux-bt-usb-fm-tf-card/