The main function:
* record your riding, running, etc., visualize the results of the data, let you know your own movements;
* Detect sleep data, record the length of deep sleep, shallow sleep time, help users understand their sleep in real time;
* Measure and record motion data in real time, and provide weekly or monthly motion trend graphs to make the movement situation clear at a glance;
Note:
* Support [health] application, you can synchronize the number of steps, calories and distance to the [health] application after authorization.
* Continuous running GPS in the background may reduce your battery life