The jet bracelet is a kind of traditional jade, which is considered to have certain efficacy and function. The following are the functions of some common jet bracelets:

1. exorcism: Moyu is considered to be able to exorcise evil spirits, dispel evil spirits and eliminate disasters, and protect the wearer's safety.

2. The town house is lucky: the jet bracelet is considered to increase the family's fortune and luck, bringing wealth and good luck.

3. Health care: Mo Yu is considered to be helpful to the health and rehabilitation of the body, and has a certain health care function.

4. Get rid of illness and prolong life: Moyu bracelets are considered to be able to get rid of illness and prolong life, and have a certain health care function.

5. Enhance the aura: Moyu bracelets are considered to enhance the wearer's aura and attractiveness, and increase self-confidence and charm.

It should be noted that these effects and functions are based on jade culture and traditional concepts, and there is no scientific evidence to support them. The effect of jet bracelet varies from person to person, and the specific effect varies from person to person.