Sole has built this treadmill with the home or office user in mind. It has all the power and capabilities of a treadmill you would find at a gym. This is the perfect treadmill for indoor runners who are in heart training mode. The Sole S77 Treadmill features the longest running deck that Sole manufactures at 60 inches, giving plenty of room for long sprints. This treadmill automatically makes adjustments to the incline to keep users in their target heart-rate zone and includes an accurate wireless chest strap for easy heart monitoring. The treadmill console provides feedback and instructions to the user based on information that has been input and constantly displays key exercise metrics so runners can gauge the quality of their workout. This model also includes a ¼ mile running track feature and built-in speakers that users can hook up to any MP3 player for their listening pleasure while burning those calories.