Rated at IP67, the updated edition is much more waterproof than prior to. But The larger revisions are hidden inside: redesigned audio drivers and Bluetooth five. We also take a look at battery life, totally draining the battery twice and recharging to see how it lasts with normal, predicted https://www.bluetoothspeaker.top/oem-odm-custom-wireless-speaker-rgb-subwoofer-wireless-speaker-bluetooth-speaker/