DDfit

The DDfit app connects a smartwatch device (Smart Watch) to your phone. It manages devices, extends functions, synchronizes active data, and provides additional visualization and analysis. The following features are provided to help manage your device:
1. Synchronize and track your activities and health records Bay provides functions other than watches, such as dial management, recording and transcription, etc.
2. Manage watches and account settings, permissions, personal data, etc.
The DDfit app has been connected to HealthKit, which can synchronize exercise records, heart rate, and sleep data to the Health app.