Ruggedness and waterproof design: We give priority to speakers that are built to outlive the knocks and bumps of travel. We choose speakers with an Ingress Security (IP) ranking, which tells you specifically how dustproof and waterproof a speaker is. Hi there, this is Michael Montoya. I’m the owner https://www.bluetoothspeaker.top/karaoke-with-songs-bluetooth-speaker-extra-long-range-illusion-flowing-led-light/