Pro form 450 le elliptical is a cross trainer that has very premium features to ensure efficient workouts maximum comfort and make it customise able to you features that focus on efficiency would be the 18 pre installed workouts and dual ekg grips a built in fan and large foot pads appeals to your comfort being ifit smart blue tooth compatible means that it can tuned by you to make sure it suits your needs key features of the pro form 450 le elliptical 6kg flywheel for smooth motion featur