The Car Home 3D Kneading Pillow Infrared Heating Massager Acupuncture Neck Shoulder Massage Cushion has eight jade-like carbon fiber massage balls to deliver comfortable, relaxing 3D kneading that helps to sooth your muscles and relieve fatigue, pressure and pain. It can be used around your neck, shoulder or waist. Ergonomic design better follows your body curves. With built-in smart safety protection, it automatically powers off when the temperature is too high. This massager comes with a power adapter and a car charger, allowing you to use it during breaks at work, at home or while traveling in car. Don?t hesitate to get one!