Bengaluru-based social audio platform Headfone raises $750 K from Fosun RZ Capital. Headfone allows users to listen to stories, talk shows, radio channels, podcasts and more. Using the platform, users can also record and share audios. The startup currently has above 500K downloads on its Android app store. Headfone provides its users access to content in vernacular languages. According to the firm, a user spends about 50 minutes a day listening to the platform.