The supporting APP of Smart Watch S2/C2/S2 Pro/S8 1、Highlighting function, smart reminder: After APP is connected with smart watch, the watch provides very smart information reminder, such as call reminder, SMS reminder, application reminder, alarm reminder, etc.With the friendly cooperation of APP, smart watches can easily receive and view instant messages and incoming calls to help users avoid missing important messages. 2. Auto recognize walking, running, other activities with self-learning capability, more you wear, better routine get for you 3. Auto sleep tracking, automatically tracks how long and how well you sleep, so you can see your sleep trends and get on a better routine 4. Shows you detailed charts and graphs so you can track your trends over time and get a better workout plan 5. Setting the step goal and sleep goal can make your life more regular and healthy. 6. Support alarm settings so you don’t miss important moments The Smart watch's APP,personal fitness assistant, pay attention to your exercise and take care of your sleep quality.