IP67 is a normal ranking today indicating extremely resistant and possibly rugged audio system suitable for away from doorways audio system. Let’s say you don’t care to own the most compact speaker within the market. Portability however plays a part in products like the Monster Solara, a monster speaker https://www.bluetoothspeaker.top/hot-sale-bt5-0-speaker-inalambrico-speaker-stereo-music-wireless-bluetooth-speaker/