Fipro is an app based on Bluetooth bracelet. It uses Bluetooth 4.0 to communicate. It includes sleeping statistics blood pressure measurement remote control photography (taking pictures through hand rings) alarm clock setting sedentary reminder (setting reminder time to prevent users from sitting too long) hand-up step counting message pushing non-disturbance mode sleep monitoring hand loops and other functions. Users can use app to intuitively understand the physical condition and sports condition which is a lightweight assistant tool app.