Previous page Next page GPSL1+L5 dual frequency high precision positioning,support GPSGLONASSBDSGalileoNAVICQZSS(Simultaneous joint positioning of multiple systems) The Homepage displays health data, including steps, distance, calories, heart rate, sleep, blood oxygen, stress and menstrual cycle. Previous page Next page TIP: The GPS function of the smartwatch should be activated in a clear outdoor environment. Indoors or in areas where the signal is blocked, the GPS may have difficulty receiving sufficient satellite signals, resulting in degraded performance. Previous page Next page 5ATM Waterproof Smartwatch for Swimming There are hundreds of sports modes on the watch that can be replaced and added, and up to 10 sports modes can be added manually.