... by manual 3.MP3 amplifier 4.Low noise 5.Motor:2.0 HP. Home fitness treadmill with low noise,home use treadmill,foldable treadmill ... incline: Deck incline:3%,6% degree, folded by manualLow noiseHigh& low tone& stereo& double tracks amplifier, MP3 amplifierPacking: foam board, foam ...