ProForm Cardio Smart 16 built-in workout apps: Choose from calorie, time or distance workouts to get the results you want iFit Workout Card Technology: Jillian Michaels iFit Workout Card included Dual-grip EKG heart rate monitor Compressing with each step, this cushioning responds evenly to your stride and offers a truly comfortable workout Quickly fold the ProForm Cardio Smart Treadmill's deck up and out of the way with SpaceSaver and the EasyLift Assist.