HRZ1013Features:Heart Rate GripsCool fit fitness fanPerfect flex variable cushioning system3 workouts (manual, interval, weight loss)Feather light lift system for easy folding and unfolding9 program options including 3 targets (time, distance, calories)Sonic Surround speakers with MP3 input and headphone output3 orange led windows, led brickyard, and target / workout led indicatorsSpecifications:2.