Altitude monitoringcan record the camping site or safe location to prevent down the mountain when lost or missed the camping site; Temperature monitoring:with the increase of height the farther away from the ground the air is less heat the air temperature is gradually reduced remind to keep warm ; Atmospheric pressure monitoring:can predict the weather according to the changing tendency of the ambient air pressure can grasp the pressure change trend and predict the weather.</br>It can be support Bluetooth 4.0 suitable for Android 4.3 or higher devices and iOS 7 or above devices.</br>Walking running mountain climbing power sports ball games aerobic exercisethis is very perfect for these.Support above Online heart rate data measurementthis is a best gift for you and your family .</br>OLED screenshow time datecalls vibration to remindit also have function such as step monitor distance calorie consume;can test Static and dynamic heart ratewhen you are exercise can reflect your exercise intensity and physical functioning??At any time ??according to the body's response to adjust the exercise program.</br>Fashion de