Why do I feel tightness in my neck? With the acceleration of the pace of life, more and more phubbing people use mobile phones. When people enjoy the convenience brought by mobile phones, the pain of the vertebra has gradually poured into our life. The muscle strain caused by long time phubbing is strained. This neck massager uses electrodes which are made up of 4 electrodes combined with TENS+EMS technology. When using, by crisp and numbing current, can relieve cervical fatigue, but also alleviate cervical discomfort. Although it is through the current massage, but the simulation of hand massage is still quite in place. In a soothing mode, you can feel a small wave of electric current, rattling against your neck, spreading from the center to all sides, quite comfortably. Choose suitable temperature and mode according to your own feelings. Deep Relaxation Sore Neck Massage Machine Pictures: