Walking on an incline is one of the best way to burn calories. With its high 10% - 20% incline, the ProForm XT 70 actually enables you to burn 4 times the number of calories of walking on a flat service! So 15 minutes walking at an incline on the XT 70 can equal one hour of walking outside! The ProForm XT 70 combines the cardiovascular benefits of a treadmill, the toning of a stepper, and the comfort of an elliptical machine. This could b the perfect weight-loss tool. It come complete with an iPod-compatible music port, built-in sound system, and iFit Live capability.