The treadmill is made of metal with a simple style, and it uses an LED display to display speed, distance, time and calories.. A smooth and ultra-quiet treadmill motor, durable steel frame make up the treadmill's shock reduction & noise reduction system, less noise make you're running quiet & comfortable.. The treadmill is made of high-density fiberboard, comfortable EVA buffer layer, smooth layer with low friction coefficient, wear-resistant and non-slip running belt, which greatly improves the coefficient.. The speed of the treadmill can be adjusted freely. It is suitable for children, adults and the elderly. It can exercise the muscles of the whole body, accelerate metabolism, promote physical health, and greatly improve human immunity.. Knee Pads, Suitable For Walking / Jogging / Running, Have Good Cushioning For Ankles, Back And Knee Joints, And Knees And Ankle Protection Can Make Your Exercise Safer, Keep Your Body Healthy And Reduce Weight..