The Micro Vital Sign Collector developed by Melten can instantly collect patients’ ECG/PPG signals and provide the information such as HRV, heart rate and atrial fibrillation through our exclusive patented algorithmic technology. For the nurses and caregivers, this device can be used to collect more abundant vital signs and data from the patients, and give the patients corresponding health educational information. For the hospitalized patients, this device brings them the convenience of measuring their own vital signs at any time when lying in the bed. The patients can understand their own recovering conditions (fatigue value, pressure value, etc.) and perform initial cardiac health measurements by using this micro vital sign collector, which provides a new type of streamlined bedside health examination.