IP67 is a normal ranking right now indicating extremely resistant and doubtless rugged audio system suitable for out of doors audio system. And again to that mic for the sec, you may control the amount of vocal removal you'd like �?go it completely on your own or increase a https://www.bluetoothspeaker.top/audio-system-sound-big-bass-music-party-speaker-hifi-box-wireless-bluetooth-speaker-with-led/