The treadmill works with you to fight the smog

In autumn and winter, as the temperature drops and haze weather occurs frequently, more and more people choose to use treadmills instead of outdoor running. However, many people do not know enough about treadmills and worry about using them in autumn and winter. As the temperature drops and haze weather occurs frequently, more and more people are choosing to use treadmills instead of outdoor running. But many people don’t know enough about treadmills and worry about using them