B00YT3EFV4 Aftershokz Bluez 2S Wireless Bone Conduction Bluetooth Headphones, Green Metallic, (AS500SM)

Bone conduction technology uses vibrations to transmit sound waves directly to the cochlea
OpenFitTM assures unmatched ambient sound awareness and extended comfort
Dual microphones deliver clear communication even in noisy environments
NEW FEATURES: PremiumPitch+TM patented dual suspension transducers guarantee premium stereo sound and adds more bass and a more dynamic sound range
NEW FEATURES: IP55 certified sweat resistance repels sweat and heavy rain