Speed ranges from 1-10 km/h: 1-3 km/h for walking, 4-5 km/h for jogging, 6+ km/h for cardio, plus a 4% incline for high-intensity workouts that burn more calories. Equipped with a 3.2HP ÖkoDrive motor, this treadmill runs under 45 dB, allowing you to exercise without disturbing others.