Zeroner Fit funktioniert nicht

When the smart watch is connected to the app, it also supports sending messages and call information to the watch, which is convenient for users to view on the watch without opening the mobile phone.  It can record the activity, heart rate, blood pressure, sleep and other data collected by the watch, and can see the trend of health data.  The APP has a GPS sports function, which supports users to record running trajectories while running, walking, and riding, and broadcast your distance, time, pace, etc. in the process.  Zeroner Fit is an app that works with smart watches to help users manage health data.  In addition, the APP also supports setting alarm clocks, sedentary reminders, etc. , which is convenient and fast.  The APP supports the sharing of health data to Apple Health with the permission of the user.