treadmill fitness equipment, double layer 15% incline DC/2.5HP 1-12km/h YB-521B treadmill fitness equipmentColor, dark greyN.W/ G.W, ... heart rate, high-fidelity audio,MP3 inputl Multifunctional home treadmill, with massaging, twisting, sit ups and dumbbell-rack.l Low noise ... , handle pulse sensor. l Frame: Heavy-Gauge welded steel with textured powder coat finish.l Gas cylinder soft drop function ...