FFit is auxiliary FFit bracelet use fitness applications.It can be real-time track your movement and health.Steps can record, sleep, detect heart rate, blood pressure, can real-time data and moving track record.Health information can be synchronized to HealthKit. γWarm Prompt γ Running track function will continue to use GPS positioning service, switch to the background can still keep running track record, compared to other operation consumes more electricity, will to a certain extent, affect the battery life. Note: Continued use of GPS running in the background can dramatically decrease 'life.