First, be certain your Bluetooth microphone and speaker are totally charged. Turn on equally devices and permit Bluetooth pairing mode. Once connected, test the audio quality by playing music through the speaker while singing into the microphone. The subwoofer creates rich, deep bass tones, while the two satellite speakers https://www.bluetoothspeaker.top/portable-wireless-bluetooth-speaker-usb-stereo-sound-music-box-speaker/