FitPro APP is a smart software that's compatible with smart bracelet devices. This APP can connect to smart bracelet and smart watch via Bluetooth. It can detect and evaluate the user's sports data, sleep quality, heart rate and blood pressure, etc. It is very convenient to monitor and adjust your daily life. Precautions: 1. The sport function will use GPS positioning, so if it's continuous running of the GPS function in the background hat may consume battery power quickly. 2. FitPro has been connected to HealthKit, which can synchronously run data to health