Is neck shoulder electric heat pad effective to relief shoulder neck pain？

Electric heating pad have a good hot compress effect on the shoulder and back,
close to the neck curve to help the smooth blood flow of the vertebral artery, relieve cervical pain.

Hot therapy pad has the function of dilating blood vessels, improving local blood circulation and 
promoting local metabolism, which is beneficial to the recovery of diseases.
 
Our neck and shoulder heating pad can also relieve muscle spasm, reach the goal of direct to the pain, so that the 
treatment is more direct and effective.