-Electromagnetic transmission of low frequency pulses to nerve cells, improve blood circulation and relieve neck fatigue -3D smart fit technology, easy to adjust the electrode to your neck curve, more comfortable to use -The skin-friendly, breathable soft silicone material makes the carotid artery pressure-free -Intelligent technology: this massager has a built-in NTC sensor and intelligent temperature control at 42 °C -With massage techniques of traditional Chinese medicine, the massage effect is even better -Relieving neck muscle spasms, relieving pain symptoms, adjusting and restoring the damaged internal and external balance of the cervical spine -6 pieces massage heads, 9 levels adjustable force: 6-piece massage heads, 6-fold pulse massage effect, massage area is larger. 9 levels of adjustable power (1-3 soothing massage, 4-6 strong massage, 7-9 stimulating massage) -The 6 massage methods include sha sha, acupuncture, pulse, cupping, massage, drums -It can promote local blood circulation, relax local muscles and achieve the purpose of reducing inflammation, swelling, analgesia and fatigue -It is suitable for neck pain, shoulder and arm numbness, headaches, dizziness and other symptoms caused by neck throbbing disease -Small and durable: it is small and easy to carry, has no sense of weight and can protect the neck anytime and anywhere. Built-in lithium battery, fast charging, long battery life, 30 minutes a day a healthy cervical spine Package Weight: 281g Package Dimensions: 19.5cm x 7cm x 19cm