Home Use Electric Treadmill 1)stereophonic system:high-low tone,double tracks,support MP3,CD,walkman etc.2)High quality TN LCD display: speed/distance/time/calories/heart rate3)Heart rate testing handlebar4)Can be folded manually5)Safeguard system: emergency stop key 6)Accessories:manual,tools bag,128M MP3 GT530-210 Home Use Electric Treadmill