This is the Bluetooth party speaker that is safe for use on a boat or at the beach. It’s shockproof, waterproof, and has an IP67 rating that ensures its durability against the elements. The 100-watt speaker connects to a smartphone or tablet from up to 100' away via Bluetooth and streams music through its 50-watt woofer, 20-watt tweeter, and passive subwoofer. With a telescoping handle and a pair of 3 1/2" rubberized wheels for easy portability. Its rechargeable battery charges via AC and provides over 50 hours of audio entertainment. With an AM/FM radio, two USB ports for charging devices, built-in bottle opener, and a pair of cup holders. 20" L x 15 1/2" W x 11 1/2" D. (27 lbs.)