How long does it take to replace Manyue Music Ring? Dr Xiaoping's patent cannot be guaranteed.

Two years. According to Phoenix's inquiry. According to the new method, Manyue Music Ring will not move down or fall off within two years. Dr Xiao Ping said that this new technology is safe and reliable. In order to dispel patients' concerns, the hospital also promised to relocate the Manyue Music Ring for free to patients who fell off within two years after wearing the ring.