Ruggedness and waterproof design: We give priority to speakers that are built to survive the knocks and bumps of travel. We prefer speakers with an Ingress Defense (IP) score, which lets you know specifically how dustproof and waterproof a speaker is. So, traveling with Bluetooth speakers in check-in luggage https://www.bluetoothspeaker.top/new-inalambrico-rgb-led-illumination-bluetooth-speaker-home-party-speaker/