1. Personal data: users can set their own personal data, including name, birthday, gender and other information. These personal data can be managed on the watch, and users can choose whether to disclose this information.
2, location information: Jiaming 255 watches support GPS positioning function, users can choose whether to open the location service, and set their own location privacy options, such as only opening the location service at a specific time or place.
3, health data: Jiaming 255 watch can record the user's health data, such as heart rate, steps, etc. Users can choose whether to enjoy these health data.