This item works but has a damaged box so has been marked down.
It is designed to fit the curve of the neck, the device adopts low frequency electric therapy, magnetic therapy, infrared therapy and vibration massage therapy. An energy field enters the deep tissue of the body stimulating blood circulation, relaxing the regional muscles while eliminating inflammation, swelling, pain and fatigue. It can be used for auxiliary therapy for such as neck pains, shoulder numbness, headaches and dizziness. There are six different vibration massage modes.