Aftershokz Bluez 2S Wireless Bone Conduction Bluetooth Headphones， Green Metallic， (AS500SM)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Bone conduction technology uses vibrations to transmit sound waves directly to the cochlea </span></li><li><span class="a-list-item"> OpenFitTM assures unmatched ambient sound awareness and extended comfort </span></li><li><span class="a-list-item"> Dual microphones deliver clear communication even in noisy environments </span></li><li><span class="a-list-item"> NEW FEATURES: PremiumPitch+TM patented dual suspension transducers guarantee premium stereo sound and adds more bass and a more dynamic sound range </span></li><li><span class="a-list-item"> NEW FEATURES: IP55 certified sweat resistance repels sweat and heavy rain </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41Ohef4i4bL.jpg" noproxy>