AfterShokz Aeropex Bone Conduction Headphones Open Ear Wireless Waterproof Aeropex is the lightest and most organically designed open ear headphones to date. We implemented the brand new PremiumPitch 2.0+ and rotate the transducer by 30° tor educe the vibration and weight, but with better bass andbetter sound. Aeropex is vested by massive expectation to  bring the best and safer audio experience for aspiring athletes motived by their music and their world. Smallest and Lightest (26g) Aftershokz headphone to date. Why only use it during sports? It is also the one for commuting, office and home usage The only headphones allowed to use in open road races in England. AfterShokz Pioneers Bone Conduction Technology with over 300 Patents Worldwide. Powered by the latest technology, Aeropex have exceptional audio quality and user experience. IP67 waterproof Waterproof and sweat alarm when charging the headphone. 26g in Weight Lightest Wireless Bone Conduction headphone, providing all day comfort experience. 50% Leakage Reduction We reduce the sound leakage by 50% compared to Air. MPN: AS800 Â