“Hera Leto Active” is a lifestyle system that encourages active ageing and healthy lifestyles. It allows users to monitor and keep a record of their bio-signals while exercising with the earbud on at home. It consists of a display unit, blood pressure meter and single-sided earbud that measures heart rate, respiratory rate, body temperature, oxygen saturation (SpO2), mental health (HRV) and cardiac health (HRR). Features: 1. The earbud measures heart rate, respiratory rate, body temperature, oxygen saturation (SpO2), mental health (HRV) and cardiac health (HRR) 2. The single-sided earbud allows users to listen to instructions and communicate with others 3. Encourage active ageing and healthy lifestyles