0 to 15% Automatic Incline: Taking the incline up to 15% is a great way to work your quads, glutes, hamstrings, and calves, whether you run or do a brisk inclined walk. Just 10 minutes at maximum incline and your quads will be burning!. 3.92ft x 1.41ft" Wide Running Belt: The ultra-wide 3.92ft x 1.41ft running surface means you can run at full speed without having to watch your feet or worry about slipping off the edge; Running can be a strain on your knees, but with its strong two-tier running board and shock-absorption system, this running machine won't cause any undue strain on your joints. This 3.25hp exercise treadmill has a solid steel frame with a weight capacity of 300 lbs.. Bluetooth Connectivity & Smart App Control: Connect your phone or tablet to enjoy your favorite media via Bluetooth and the speakers delivers vibrant stereo sound; The integrated FitShow app allows you to participate in interesting cross-training workouts designed to get you moving and let long workouts fly by!. Innovative Soft-Drop System & Large LCD Screen: The sophisticated soft-drop system allows you to gently and elegantly unfold the electric motorized treadmill with a simple press of your foot; The large central console gives you all the info you need while running, including distance, speed, time, heartrate, and calories burned.. 3.25HP Powerful & Ultra-Quiet Motor: The quiet-running electric motor produces 3.25hp, which is on a par with many professional (non-portable) gym treadmills. This allows you to run at speeds of up to 9 mph (14.5 km/h), which is plenty fast even for athletes. All our folding treadmills with auto incline are quality-assured and we offer full product protection for a whole year..