Reebok A4.0 Treadmill creates more effective running workouts with its array of impressive and dynamic functionality. Astroride Cushioning Technology reduces the impact of each stride by absorbing some of the force you would experience on the pavement; resulting in a smoother and more forgiving running platform. The three-window LED FUTURE display, the A4.0 treadmill allows you to monitor and track your performance with live speed, time, distance and calorie feedback. Also delivering real-time heart rate data via the built-in hand pulse sensors, the A4.0 is equipped to hit your fitness goals.