Application description:FitPro APP is a smart software thats compatible with smart bracelet devices. This APP can connect to smart bracelet and smart watch via Bluetooth. It can detect and evaluate the users sports data, sleep quality, etc. It is very convenient to monitor and adjust your daily life. Precautions: 1. The sport function will use GPS positioning, so if its 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