the answer into the question of whether you can take a portable speaker on a plane is a bit sophisticated. The FAA does not specifically prohibit the carriage of portable speakers in checked or carry-on luggage, but individual airlines might have their individual guidelines. It's always best to check https://www.bluetoothspeaker.top/bt-hifi-speaker-with-loud-subwoofer-super-small-steel-waterproof-with-rgb-lights/