Technically no electronic is entirely waterproof, with adequate time and depth any speaker will fail, but some Bluetooth speakers are built much more durable than others. Durability is usually indicated by an official Ingress Defense (IP) score. You can also run this whereas charging, on the other hand there https://www.bluetoothspeaker.top/high-power-outdoor-karaoke-party-portable-trolley-wireless-bluetooths-speaker/