An earphone and method for forming the same are provided. The earphone includes an earphone housing, a speaker, and an earcap. The earphone housing includes a speaker mounting portion. The speaker is fixed to the earphone housing, and has a cable that passes through the body and is drawn from the body. The earcap is installed to at least partially enclose the speaker and the housing, and has at least one speaker sound emitting hole therein. The earcap is made of a material that solidifies after a predetermined time elapses, and is manufactured by inserting the material into an ear of a user, and then solidifying the material such that it is suited for a shape of the ear of the user.