QESTO GDS G03 Men's Smart Watch Waterproof Mode Smart Watch with ECG PPG Blood Pressure Heart Rate Sports Fitness(A)

★ Professional TI chip, dual collection of human bioelectricity and ECG makes the test more accurate. Detect your body anytime and anywhere. It is the health guardian of you and your family. ★ HRV, or heart rate variability, refers to the changes in the difference of heartbeat cycles from time to time. It is an important indicator for judging the ability of neural activity ★ 10 sports modes provide real-time data to support the recording of multiple sports, you can set it at will ★ Real-time blood pressure measurement, the bracelet directly displays the data, mental workers, snoring people, the elderly, high altitude and high altitude hypoxia environment should always check blood oxygen saturation. ★ Scientific sleep, not only can accurately record night sleep, but also can detect nap/short nap time, record complete sleep structure, and analyze sleep quality in an all-round way.