Hot outdoor sports GPS watch waterproof and shockproof automatically

Also known as a Hot outdoor sports GPS watch waterproof and shockproof automatically, you can establish a Bluetooth connection between the phone with the person wearing the motion data is transmitted to the mobile terminal.
It can be divided into three categories according to the type of its motion sensor: pedometer watch, GPS watch, heart rate watch. Of course, there are many non-professional sports watches.

GPS watch is receiving satellite location signal WAYPOINT by calculating the distance traveled per unit of time, and calculate the speed of movement. The accuracy of the position signal by the strength of the satellite signal sampling rate to the level decision. For example, the accuracy of one second sampling rate is clearly better than 60 seconds sampling rate is higher. But the high sampling rate can cause the battery runs out quickly. The advantage is that you can record the movement of the track and synchronized to the map.

This watch without chest strap, without any auxiliary equipment, user-friendly motion pulse and exercise real-time control and detection, display data directly after exercise, whether ordinary fitness or professional sports, can maximize the training effect. This has a watch, is equivalent to have a personal trainer wrist.