If you close up your eyes and can quickly notify where the sound’s emitting from, you have a directional speaker. To inform how directional it is, place the speaker down over a table, rotate it, and notice how much it sounds quieter/different throughout the rotation. This small, round speaker https://www.bluetoothspeaker.top/customized-portable-speaker-wireless-charger-bt-bluetooths-speaker-with-clock/