Technically no electronic is fully waterproof, with more than enough time and depth any speaker will fail, but some Bluetooth speakers are built more durable than others. Toughness is usually indicated by an official Ingress Security (IP) rating. And back again to that mic for the sec, you'll be https://www.bluetoothspeaker.top/high-quality-low-price-wholesale-price-speaker-bt-bluetooths-speaker/