Build-in cooling fan allow users to stay dry and cool during workout.Compatible with free Gfit running app. Running coach, performance monitoring, etc. 11 Build-in workout programsHandrail controls that allow you to control speed and monitor your heart rate3 manual incline levels 0%, 3% and 5%, sufficient for most users’ need; Max user weight: 200 LbsEasy assembly and transport. One step lubricationMP3 ?input with high quality speakers, auto lubrication, APP systerm connect with hand start/stop&speed+-