high-low tone/duble tracks amplifier/touch screen,blue backgroud LCD,support MP3,USB,CD,walkman etc. ITEM NO.YY-5029DSMotor3.5HP ... .Time.Calories.Heart Rate.Sports AmountFeaturesHigh-low tone/Double tracks/ support MP3,USD,CD,Walkman etc. folded by manualSpeed shortcut key3KM ... 109pcs/40'FCL,128pcs/40'HQ 3.0hp newest model high quality home treadmill with touch screen and fan