The ProForm AT 500 Treadmill will get you in shape and keep you there while you listen to your favorite music through the MP3 music port. Not only will you love the music and want to keep working out, but you will also like the four walking workouts that were created by a certified personal trainer. You can choose to walk or run to the beat of rock n roll, jazz, or whatever deemed by your mood. The revolutionary AT 500 even has its own self–cooling motor for longer life. The ProSoft Cushioning reduces joint impact by 15 percent, which is very important for that those love to workout but worry about wear and tear on their joints. Other features of the ProForm AT 500 Treadmill include SpaceSaver design, Digital Speed Control, Power Incline, and an EKG Heart Rate Monitor.