With built-in speed controls and pre-programmed programs

https://hometreadmills.ukxqck034.keystonescope.com/posts/10-things-you-learned-from-kindergarden-which-will-aid-you-in-obtaining-buy-treadmill

With built-in speed controls and pre-programmed programs, home treadmills make it easy to follow guided workouts that support physical fitness goals like endurance, fat loss, and endurance, even for beginners.