Functions:
? 1)Designed by human body engineering;
? 2)Two electronic pole patch built in;
?3) Massaging many part of the human body;
Efficacy:
? 1)Renew to the natural bend constitute, release and eliminate bone hyperplasia;
? 2)Eliminate edema, inflammation and improve shortage of head blood supplying;
? 3)Prevent the pain from nerve pressure;
? 4)improve deep sleep;
? 5)Regulate enginery of neck and relative organize