You can use your speaker on a plane, but it is best to keep the volume low so that you don’t disturb other travellers. It's also advisable to stay clear of using the speaker for the duration of takeoff and landing, since the noise could interfere with the pilots�?communication. https://www.bluetoothspeaker.top/original-factory-subwoofer-loud-speaker-bluetooth-speakers-with-led-light/