Thank you very much for using our product. This application is a companion application for our watches.This application can synchronize the steps, calories, mileage, sleep, and exercise records recorded by the watch.Your data display is more user-friendly and aesthetically pleasing.We will push phone and message notifications to your watch to prevent you from losing critical information (this feature requires your authorization).You can use this application to configure the watchs sedentary reminder interval, alarm clock, schedule, backlight, and weather synchronization for better use of the watch.Supported watches:For the LOOPS FIT watch series (Apollo), if there is any further update support, we will update it in a timely manner.If you have any questions, feel free to contact us at any time.Thank you again for your use.