The last form of Bluetooth microphone could be the stereo microphone that incorporates two inbuilt microphones picking up sound from the left and right directions. This speaker doesn’t sound as roomy for a set of stereo speakers or maybe a good soundbar, but no speakers of the size do. https://www.bluetoothspeaker.top/bluetooth-speaker-inalambrico-music-bt-speaker-inalambrico-speakers-bluetooth/