This 1 Lead wearable ECG sensor serves as a fundamental wearable ECG Sensor with compact practical structure. It applies single-lead acquisition design to capture steady and clear ECG signals. Slim and lightweight in size, it brings comfortable wearing experience and supports long continuous usage, perfectly matching entry-level monitoring equipment. Featuring high sensitivity and low noise performance, it precisely gathers basic ECG waveforms and delivers stable original data for heart rate tracking and preliminary rhythm inspection. Constructed with medical-grade material, it owns fine waterproof and sweatproof performance, adapting to daily activities and sleep monitoring scenarios as essential lightweight ECG monitoring part.