suitable with phones running both iOS and Android The high-gloss, simple body design of the 42 mm watch face is combined with elegant straps to create a sleek, contemporary appearance. The HUAWEI WATCH GT 3 42 mm smartwatch has a seven-day battery life. The enhanced Heart Rate Monitoring precisely measures health data, such as blood oxygen levels, even during intense exercise by filtering out noisy signals. Whether you're working, exercising, or sleeping, the HUAWEI WATCH GT 3 smartwatch automatically detects your SpO2 levels every 24 hours. Based on past running data, the AI Running Coach evaluates your ability and creates a scientific running plan with complete tracking guidance for daily runs or race preparation. Providing more than