20% Louder and more efficient than the Turtle Shell 2.0. Bluetooth technology with 32ft range to wirelessly stream audio. IPX7 Rated: Improved waterproof design and floats in water. Built-in microphone allows for hands-free calling. Patented dual-directional sound so it fills the room with audio laying flat or on its side. Provides 20 hours of music playtime. Power bank capability to charge small electronics. 3.5mm Auxiliary port. Standard 1/4″-40 camera threading and custom strap mounts. Includes: USB Charging cable. 3.5mm to 3.5mm Cable.