Completely water, dust, and shock proof, the Cruiser H2.0 is designed to accompany all of life's adventures. Featuring a compact design and intuitive controls, the H2.0 Cruiser allows you to savor epic moments in the outdoors with friends in true wireless surround sound. Its pocket-friendly design delivers powerful audio, while a built-in mic lets you take speakerphone calls on the go. It also features a built-in bottle opener? FEATURES: 100% waterproof (IP68) Bottle opener Dual speaker pairing Leash accessory Size: 2.4 x 2.4 x 1.4 in.