Get in shape at your own pace. The Xterra Trail Racer 600 treadmill comes with loads of options and controls to personalize your exercising experience. Digital incline and speed controls are right at your fingertips, located in the handles, along with a pulse monitor that automatically takes your heart rate. Helpful information, including your program profile, time, speed, pace, distance, calories burned, incline, and pulse is displayed on the large 6-1/2 LCD screen, while an included audio jack lets you plug in your MP3 player and workout to your favorite music. From Xterra.