Flagfit2.0 is a supporting application for smart bracelet DB02 Flagfit2.0 Get the Accessibility Services to implement a message push function, so that the third -party message content can be pushed to the smart bracelet through the APP to the smart bracelet DB02. 1, support the pedometer function, exercise calorie conversion; 2, can sleep monitoring, statistical analysis of sleep quality of sleep; 3, support the sharing of health information, sports and other functions; Tips: The phone system