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8 Massage roller balls – This corded shoulder massager comes with 4 Big nodes and 4 small nodes, which provide deep tissue massages on your neck, shoulders, upper back, lower back, waist, Foot, thighs, calves, legs, feet and arms . All this in the InvoSpa shiatsu neck & back massager with heat.
Adjustable intensity – This shiatsu neck massager with heat and shiatsu back massager pad has 3 speed strength levels, which allow you to get the right and appropriate amount of pressure on your muscles.
2 Massage directions – The InvoSpa neck and back massager with heat built in a Bi-directional movement control to mimic the motion of an in-person massage experience. These 3D Shiatsu massagers for neck and back will auto-reverse each minute for a better distribution of massage effects.