Ruggedness and waterproof design: We give priority to speakers that are built to survive the knocks and bumps of travel. We favor speakers with an Ingress Protection (IP) score, which tells you accurately how dustproof and waterproof a speaker is. So it’s best to check with the airline to https://www.bluetoothspeaker.top/wholesale-active-power-speaker-subwoofer-bluetooth-speaker-with-rgb-led-light-for-outdoor/