So what's a good number range to search for? We recommend something in between a four and six, but seven and higher could be a premium score and effective at withstanding full water submersion. We offer several types of powered speakers, like loudspeakers and high-conclusion speakers, like the S1 https://www.bluetoothspeaker.top/bluetooth-5-4-speaker-audio-ipx5-waterproof-wearable-bluetooth-speaker/