With built-in speed controls and preset programs

https://treadmill-for-hometypp329.clearminster.com/posts/watch-out-how-portable-running-machine-is-taking-over-and-how-to-stop-it

With built-in speed controls and pre-programmed programs, home treadmills make it easy to follow guided exercises that support physical fitness objectives like stamina, weight loss, and endurance, even for novices.