Key specifications: 1.This neck-vertebra therapeutic massager is the most advanced and convenient product for neck-vertebra treatment at present 2.This product makes the low frequency electronic pulse current with some energy directly acting on the muscles on both sides of the neck-vertebra to stimulate the nerves in neck, force the muscles on the neck to shrink and expand regularly, promote the blood circulation, relieves conglutination, diminishes inflammation and pains and thereby realize its effect in treating neck-vertebra diseases Unite size(cm):22*23.5*7 Package:20pcs.
