Nautilus E614 Elliptical Trainer Goal Track capability enables users to set individual exercise goals 22 programs: 9 profile, 8 heart rate control, 2 custom, 2 fitness test & 1 quick start 20 levels of resistance for a wide range of workout intensity options.Maximum User Weight - 300 lbs (136 kg) High speed, high inertia drive system with a perimeter weighted flywheel for easy start up and smooth, consistent workouts DualTrack LCD displays In-console speakers with an MP3 input port Media shelf, USB media charging, and adjustable fan