Parameters :watch dimensions. L*W*H = 42.3×20.5×14mm, watch weight: 20g. 0.96” high definition colour display. Multi-language setting. Mobile phone compatibility :This watch is compatible with smartphones using Bluetooth 5.0 and iOS 9.0 and above / Android 4.4 and above. Scan the code to download and install the free Runmifit app. Health monitoring IP68 waterproof rating, temperature, sleep, blood pressure and blood glucose monitoring, 28 hour heart rate monitoring. The measurements provided are for fitness reference only, not for medical reference. Sports under your control : The smartwatch has several sports modes (walking, running, climbing, cycling, treadmill, fitness, basketball, badminton, tennis, football, yoga, etc.) When you activate the watch’s sports mode, it automatically monitors the number of steps, calories burned, distance traveled and GPS history. Other features : custom dialing, SMS call alert, sedentary reminder, alarm reminder, stopwatch, pedometer, timer, remote camera, etc.