If you shut your eyes and may quickly notify where the sound’s emitting from, you have a directional speaker. To tell how directional it truly is, position the speaker down with a table, rotate it, and spot how much it sounds quieter/different throughout the rotation. Ruggedness and waterproof design: https://www.bluetoothspeaker.top/waterproof-tws-rgb-subwoof-speaker-portable-bluetooth-speaker/