This app is matched with Forever Fit to work via SB-100 connection.This app is connected to Forever Fit via SB-100. The bracelet can record the data and this app can sync the data to the phone/tablet.The main function of Forever Fit include viewing the amount of exercise, monitoring sleep quality , smart alarm free and etc . We can use the mobile applications to check the amount of exercise , calorie consumption , effect of walking and running in time . When Forever Fit enter into the sleep state, it will record deep sleep & light sleep and summarize the total sleep time ,helping users check their sleep quality . Because of this application needs back-end call reminder , the backstage always been in a call state.