With built-in speed controls and pre-programmed programs

https://treadmillsbss658.readspirex.com/posts/15-reasons-why-you-shouldn-t-be-ignoring-cheap-treadmills

With integrated speed controls and predetermined programs, home treadmills make it easy to follow directed workouts that support physical fitness objectives like endurance, fat loss, and endurance, even for newbies.