Speak into the microphone and listen for sound coming from the speakers. Adjust volume stages as needed right until you’re pleased with how anything sounds. Considering the fact that we've been talking about Bluetooth speakers, the ones you are looking for will surely have this wireless connection. The difference https://www.bluetoothspeaker.top/outdoor-waterproof-speakers-wireless-outdoor-bluetooth-speaker-with-usb-and-tf-card-zealot/