The M201P integrates LowPulseStr™ and SPO2 core technologies to deliver accurate blood oxygen measurement under normal perfusion conditions. Featuring an external modular design with built-in power and communication isolation, it can be flexibly embedded into various medical and health monitoring devices. This solution provides reliable vital sign monitoring for both adult and pediatric patients, making it ideal for respiratory disease management, sleep monitoring, sports health assessment, and home-based chronic care. With plug-and-play functionality requiring no structural or cosmetic modifications, the module complies with medical device safety and performance standards.