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