Featurers: 1.Promote neck, shoulder blood cirulation, relax the muscles, eliminate fatigue 2.Improv neck and shoulder pan, numness, stiffness, relive neuropathic pain 3.Prevention of cervical stain, allowing you to stay away from cervical spondylosis 4.To meet physiological curve of the head and neck rest care of the head and neck, and maintain the correct posture 5.3800 times per minute, the magneti effect of the shock wave electric massage 6.Six massage modes freedom of choice, simple to operate, easy to use 7.20minute auto shut off, accurately and safely 8.Fabric made of high quality lycra, filler for soft comfort food-grade cotton snow peas, safety and environmental protection 9.The ergonomic philosophy, good looks, soft and comfortable 10. To configure five 2000 gauss, high-energy magnetic particles. Color packaging