Inside a booth in an exhibition hall at the Shenzhen World Exhibition and Convention Center, Jiang Zhuyang and his colleagues explain to a crowd how AfterShokz headphones, which feature bone conduction technology, work to better protect user safety during sports while providing a quality listening experience. As an exhibitor at the annual China Hi-Tech Fair 2021, which kicked off in Shenzhen, Guangdong province on Monday, Shenzhen Shokz Co Ltd, the developer of Aftershokz headphones, has participated in the technological event for years. "From a very small booth at the beginning to one covering 150 square meters this year, we have