Electric massage chair and seat cushion, back, neck, cervical vertebra, head, shoulder, waist, kidney, hip, thigh, calf, foot, massager, heating, vibration, kneading, shiatsu, rolling, car, office , home, bed, relieve muscle pain Back massage chair Massage chair seat cushion with heating and vibration function to relax back muscles, suitable for home, office use Massage area plus soothing heat: Rotating and kneading, true massage therapist's two-node simulation of finger movement.