Introducing the SpiriTouch 3D Shiatsu Back Massager with a circular deep kneading massage. With two massage modes, the neck and back massager operates in a synchronous inward circular motion with heat or asynchronous outward circular motion with heat for a stronger and deeper shiatsu massage. A constant soothing heat function can improve blood circulation and relieve soreness and fatigue of muscles. The newly added elastic band design allows for use on office chairs and most car seats