“Ssst, do you know that the bluetooth speaker is using a radio frequency technology? You are doing? Effectively, but do you know that radio frequency is strictly regulated? You might not always need a portable possibility, and a person with a larger profile could also accommodate mic arrays rather https://www.bluetoothspeaker.top/wireless-speaker-audio-subwoofer-party-box-music-bt-speaker-wireless-waterproof-battery/