IPO Portable Mute 3D Stretchable Health Fitness Mini Step Machine Waist Leg Buttock Exercise Calories Burning Monitor Display Twister Stepper 3D fitness workout improves calorie-burning efficiency, 20-minute on 3D stepper equals 30-minute rope skipping, 60-minute jogging, 45-minute crawl or 80-minute table tennis playing Pedals feature acupressure massage that stimulates blood circulation, with the surfaces densely covered by bumps Mute shock-absorptive footholds protect ankle joints from injuries caused by high impact, while keeping away clanks and clinks Golden 38 is of pedal movement is recognized to be the best according to kinesiology via repeated test, producing most workout effectiveness while least harm to human body joints With a weight capacity of 250 pounds. Using 100% cold-rolled steel that is made from the hot-rolled, thus obtaining higher toughness and ductility