With built-in speed controls and preset programs

https://www.hometreadmills.uklnsn187.publishlane.com/posts/why-do-so-many-people-would-like-to-learn-more-about-portable-running-machine

With built-in speed controls and predetermined programs, home treadmills make it easy to follow assisted workouts that support fitness objectives like stamina, fat loss, and endurance, even for beginners.