“Ssst, Did you know that the bluetooth speaker is employing a radio frequency technology? You need to do? Very well, but Are you aware of that radio frequency is strictly controlled? Obviously, on the list of most important aspects to contemplate When selecting Bluetooth dj speakers is sound quality. https://www.bluetoothspeaker.top/outdoor-subwoofer-bluetooth-wooden-bamboo-bluetooth-speaker-bt-wireless-stereo-speaker/