We are a SaaS business which leverages standard earphones to track breathing sound with a focus on sports. 60% of people go running with headphones to listen to music/podcasts so people need to change nothing in their daily routine. We have proven that the algorithm works in real life environments: - Audio breathing rate detection works with a deviation of less than +- 5% or at least equally well than wrist worn HR watches - We can extract key training information (e.g., VT1/VT2/VO2 Max) with lab grade accuracy We have a licencing business and want to expand from sports to additional use-cases where breathing is important such as respiratory diseases (e.g, Asthma / COPD) or cardio-vascular diseases such as chronic heart deficiency or heart attacks