Powerful 3.0HP silent motor allows you to run at the speed of 0.6-8 mile per hour 5-layer non-slip running belt and steel structure can absorb vibration to protect the knee HD digital touch display will track your performance, including time, steps, speed, distance and calories Equipped with noiseless motor, this walking machine is ideal for home and office use Use the retractable phone holder to watch videos or chat with friends while running