One of the most significant benefits of using a manual treadmill like the Sparnod STM600 is that it can help improve the cardiovascular fitness. Walking or running on the treadmill can elevate the heart rate, which helps strengthen the heart and lungs. This Sparnod STM600 Manual Treadmill does not require any electrical power source and is operated solely by the user movement. This makes it an eco-friendly and cost-effective option for home use. It is also compact and can be easily folded and stored in small spaces.