Disclosed are: a ring-shaped antenna, which is formed in a ring shape and mounted between an earphone module housing and the outer circumference of a coin-type battery so as to communicate, through an NFMI, with an antenna mounted in another earphone module; and a wireless earphone module having the same. The disclosed ring-shaped antenna comprises: a flexible base sheet; a terminal sheet formed to extend from one side of the base sheet; a first terminal formed on one surface of the terminal sheet; a second terminal, formed on one surface of the terminal sheet, to be spaced apart from the first terminal; and a radiation pattern formed on one surface of the base sheet, and having one end connected to the first terminal and having the other end connected to the second terminal.