2.5hp home use motorized treadmill; MP3 connection, 2 speakers and amplify, with 99programs; 99% Pre-assembly in the ... carton 1.Low noise DC motor: 2.5HP2. Speed range: 1-20KM/h3.Power incline: 0~20 ... , heart rate, incline, racetrack, MP3 functions, etc5. With MP3 connection, 2 speakers and amplify, with 99programs6.With hand pulse, handle switches7 ...