4Fit Band application smart bracelet , which have the intelligent functions to measure your blood pressure , heart rate , blood oxygen and steps . And monitor your fatigue and sleeping . It can be measured as real time or one time measurement with just one key for you to choose . Customizable alarm settings for you to set the time according to your requirements . It will be easy to take the photos with the camera remote control function . With GPS tracking record ,it can let you know all your running routes in a map.