Aftershokz Air Slate Grey

Nothing in, on or over your ears. While bone conduction transducers deliver music through cheekbone, your ears are open and free. It allows you to hear the music and the world around you at the same time. Award winning AfterShokz bone conduction technology has been granted 300 patents worldwide over the years. PremiumPitch+ expands frequency band and enhances bass response. Proprietary LeakSlayer technology reduces leakage sound by 70%. TitaniumFit assures secure fitting and solid bone conduction contact. IP55 sweat resistant repelling rain and sweat due to water tight structure design and nano-chemical coating. Bluetooth 4.2 compatible with any Bluetooth enabled devices; 6 hours playback time; for both music and call; dual noise canceling microphone enhances speech; Intuitive AudreySay voice prompt.