Features: Bone conduction technology delivers sound through cheekbones. U shape design provides unmatched situational awareness and eliminates ear fatigue. Nanotechnology coating and watertight rubber gaskets repel sweat and moisture. Five hours of music + calls. Premium Pitch guarantees the finest bone conduction audio. EQ presets conveniently boost bass and reduce vibration on the go. Dual noise canceling microphones exclude surrounding noise, effectively enhancing speech. Beautiful voice prompts guide users through power, pair, play and talk.