Low noise totally silent operation without disturbing others adjustable height design use the height adjustment lever to adjust the step height before your workout on your compact stepper. Train different muscle groups quickly and effectively while recording results such as time number of steps or calories consumed. Manufacturered by AFSDF. This Stepper for people who want to train at home. Especially those who have limited time to exercise. The digital training computer tracks your steps time and calories helping you get an effective workout every time you step on it. Move up and down with side-to-side action to tighten and tone your calf muscles muscles and hip. Even at home you can effectively exercise your abdomen back and especially the leg muscles.