Bone conduction technology delivers music through your cheekbones, ensuring ears remain completely open to hear ambient sounds. Titanium wraparound headband is lightweight and flexible for durability and portability. OpenFit™ design ensures maximum situational awareness and comfort during long-term wear. PremiumPitch+™ guarantees a premium audio experience, including wide dynamic range and rich bass. Wireless Bluetooth® 4.1 connectivity and convenient multipoint pairing. LeakSlayer™ technology significantly reduces natural sound leakage. IP55 certified to repel sweat, dust and moisture, from workouts to wicked weather. Enjoy six hours of continuous music + calls on a single charge. EQ presets boost bass and reduce vibration on the go. Dual noise canceling microphones exclude surrounding noise, effectively enhancing speech. Audrey Says™ voice prompts guide users through power, pair, play and talk.