0.6-1.5mph working mode,0.6-2.5mph walking mode,2.5-3.8mph running mode, catering to your fitness needs. NON SLIP RUNNING BELT & SHOCK REDUCTIONThe rubber runner belt area of walking pad is as large as 16.54x39.78,with the design of shock absorbing and non slip, making your running and walking much stable on this treadmill.