Speakers might be used on planes, other than through takeoff and landing, when all electronic devices has to be turned off or switched to airplane mode. One more tip with the best listen: keep on with the XBass sound mode, for the punchiest, crispest sound through the lower finish. https://www.bluetoothspeaker.top/wireless-bluetooth-speaker-outdoor-audio-creative-portable-subwoofer-gift-wireless-speakers/