Whether youâ€™re training for a marathon or just beginning a walking routine, the Nautilus T614 Treadmill will help you reach your goals. With the proprietary StrikeZoneâ„¢ cushioning system, in-console speakers with MP3 port, media shelf for your tablet or book, an adjustable fan, and 22 customizable programs, your journey will be smooth and enjoyable. Plus, youâ€™ll never have to worry about your MP3 player running out of juice in the middle of a workout again; the built-in USB charging dock has you covered from mile one. An adjustable incline and speeds up to 12 miles per hour will keep you challenged, no matter what your fitness level. The easy-to-read blue backlit LCD monitor displays time, distance, and calories, and heart rate monitors allow you to track and maintain your optimal level. Sync your workouts via USB with the Nautilus Connectâ„¢ website and the popular MyFitnessPal app to track your goals and progress. The SoftDropâ„¢ folding system and wheels allow you to quickly store and transport your treadmill when not in use. A manufacturerâ€™s warranty is included. Additional Information Belt size: 20W x 55L in. Foldable for storage; wheels for easy transport About Nautilus: Nautilus has been a long-time leader in the home fitness industry, introducing machines and workouts to the home that were formerly only available in well-stocked gyms. They're exceptionally committed to customer satisfaction and stand by that commitment with lengthy warranties on most products. For exercise bikes, treadmills, elliptical machines, and all-purpose home gyms, you're sure to find a Nautilus product to suit your needs. But these machines don't reflect all Nautilus has to offer, as they're also a leader in compact, space-efficient exercise equipment that maximizes the number of workouts available while using just a small corner of your home. Dimensions: 72.2L x 35.2W x 57.6H in.. 22 workout programs; 0-12% incline, 0-12 mph.