A portable sound equipment, comprising: a body having a C-shape and including an elastic band and at least a housing (321, 324); an antenna hole formed at the housing; a metal case coupled with an outer side of the housing (321, 324) and configured to cover the antenna hole; an earbud holder located at the housing; an earbud (240, 340) detachably seated on the earbud holder, the earbud (240, 340) including a sound output module configured to output sound; a main board located within the body, the main board being connected to the earbud (240, 340) to control the sound output module; a sound cable connecting the main board to the earbud (240, 340); a rotation module located within the body between an end portion of the body and the main board, the rotation module being configured to allow the sound cable to be wound on an outer circumference of the rotation module, a flexible board located to overlap the rotation module, a wireless communication unit installed at the main board and configured to wirelessly communicate with another terminal; an antenna pattern formed at the flexible board and having a first end connected to the main board, the antenna pattern being configured to transceive a wireless signal; and a non-conductive elastic gasket placed in the antenna hole and inserted between a second end of the antenna pattern and the metal case, wherein a first gap between the second end of the antenna pattern and the metal case is smaller than a second gap between another portion of the antenna pattern and the metal case, and wherein, when the body is worn on a user's neck, the metal case is disposed in a direction away from user's neck. a body having a C-shape and including an elastic band and at least a housing (321, 324); an antenna hole formed at the housing; a metal case coupled with an outer side of the housing (321, 324) and configured to cover the antenna hole; an earbud holder located at the housing; an earbud (240, 340) detachably seated on the earbud holder, the earbud (240, 340) including a sound output module configured to output sound; a main board located within the body, the main board being connected to the earbud (240, 340) to control the sound output module; a sound cable connecting the main board to the earbud (240, 340); a rotation module located within the body between an end portion of the body and the main board, the rotation module being configured to allow the sound cable to be wound on an outer circumference of the rotation module, a flexible board located to overlap the rotation module, a wireless communication unit installed at the main board and configured to wirelessly communicate with another terminal; an antenna pattern formed at the flexible board and having a first end connected to the main board, the antenna pattern being configured to transceive a wireless signal; and a non-conductive elastic gasket placed in the antenna hole and inserted between a second end of the antenna pattern and the metal case, wherein a first gap between the second end of the antenna pattern and the metal case is smaller than a second gap between another portion of the antenna pattern and the metal case, and wherein, when the body is worn on a user's neck, the metal case is disposed in a direction away from user's neck.