cosinuss° is developing the technology and sensors needed for the accurate and mobile monitoring of medically relevant vital signs. This miniature in-ear sensor is measuring the heart rate, body temperature, blood level oxygen saturation, heart rate variability and blood pressure and various other parameters.cosinuss° is a young technology company based in Munich, Germany. Founded 2011 by Greta and Johannes Kreuzer cosinuss° is pioneering in continuous monitoring of vital signs with high precision. The first product used in professional sports to monitor performance had it’s market launch in 2016. The second innovation, a continuous fever thermometer especially for kids, is just about to be launched worldwide.