This body massager offers a 3D massage to help knead muscles even more. 3D Shiatsu kneads inward and in a circular motion. Soothing heat ads more comfort and soothing relief. Therapeutic vibrating waves improve circulation and relieve stiffness. Use vibration independently or with shiatsu massage. Portable design to use at home office or even travel. Integrated strap system attaches to almost any chair. Use on upper and lower back neck shoulders legs and more.