gps outdoor sport smart watch 3atm waterproof heart rate sleep health monitoring long endurance altitude barometer

GPS outdoor sports smartwatch, with an AMOLED large screen, rich sports features, supporting over 150 sports modes and automatically recognizing 5 common daily activities. It includes a high-precision GPS for accurate tracking of distance, allowing measurement of running paths. A built-in barometer measures atmospheric pressure, enabling assessment of current environmental pressure. It can detect health data such as heart rate, blood oxygen levels, and sleep patterns; supports Bluetooth calls; and synchronizes messages from mobile app applications.