So what's a good number range to search for? We endorse anything at all involving a four and 6, but seven and higher could be a premium score and able to withstanding total h2o submersion. How can I check battery life? If the speaker is turned on, the battery https://www.bluetoothspeaker.top/wireless-bluetooth-speaker-clear-sound-bt-bass-3d-stereo-subwoofer/