✹【2021 Upgrade Version Treadmill】:The sturdy steel frame and multi-layer shielding design have shock absorption and noise reduction functions, can withstand a weight of 300 pounds, bring a better running experience, and provide maximum protection measures to prevent injuries during sports.. ✹【Convenient Button & Heart Rate Sensor】There are four buttons in the handrail, you can easily start/stop/speed up and down without hands leaving the handrail, more safe and convenient. There also are two heart rate sensor in the handrail which can monitor your heart rate and make exercise safer. ✹【Easy Assemble & Space Saver】This treadmill is easy assembled. The folding design and transport wheels make it easy to move and store, the foldable dimensions is 24.2 x 22.8 x 49.8 in which is space saving and very suitable for home or office use.. ✹【Clear LED Display】The LED screen enables you to track exercise data like speed, calories, distance and time. Safety key ensures your security and will stop the running machine immediately when you fall by accident.. ✹【Wide & Anti-shock Running Belt】 5-Layer composite belt with shock absorbing system decreases pressure caused by running and helps to avoid exercise injury. Moreover, 41.3” x 15.7” large running area provides enough space for good exercise experience..