A portable sound equipment, comprising: a body; a first and a second holders (220a, 220b) formed at the body; and a pair of earbuds, each earbud (240a, 240b) of the pair of earbuds being detachably coupled with a corresponding one of the first and second holders (220a, 220b), characterized in that the first holder (220a, 220b) includes an identifier configured to identify whether one of the earbuds (240a, 240b) is coupled with the first holder, and each earbud (240a, 240b) of the pair of the earbuds comprises: a sound output unit; a wireless communication unit; a detecting unit configured to detect the first identifier when the earbud is coupled with the first holder; and a controller configured to: control the wireless communication unit and the sound output unit in a first mode in response to detection of the first identifier, by the detecting unit, when the earbud is coupled with the first holder; and control the wireless communication unit and the sound output unit in a second mode when the first identifier is not detected by the detecting unit. a body; a first and a second holders (220a, 220b) formed at the body; and a pair of earbuds, each earbud (240a, 240b) of the pair of earbuds being detachably coupled with a corresponding one of the first and second holders (220a, 220b), characterized in that the first holder (220a, 220b) includes an identifier configured to identify whether one of the earbuds (240a, 240b) is coupled with the first holder, and each earbud (240a, 240b) of the pair of the earbuds comprises: a sound output unit; a wireless communication unit; a detecting unit configured to detect the first identifier when the earbud is coupled with the first holder; and a controller configured to: control the wireless communication unit and the sound output unit in a first mode in response to detection of the first identifier, by the detecting unit, when the earbud is coupled with the first holder; and control the wireless communication unit and the sound output unit in a second mode when the first identifier is not detected by the detecting unit. characterized in that the first holder (220a, 220b) includes an identifier configured to identify whether one of the earbuds (240a, 240b) is coupled with the first holder, and each earbud (240a, 240b) of the pair of the earbuds comprises: a sound output unit; a wireless communication unit; a detecting unit configured to detect the first identifier when the earbud is coupled with the first holder; and a controller configured to: control the wireless communication unit and the sound output unit in a first mode in response to detection of the first identifier, by the detecting unit, when the earbud is coupled with the first holder; and control the wireless communication unit and the sound output unit in a second mode when the first identifier is not detected by the detecting unit. a sound output unit; a wireless communication unit; a detecting unit configured to detect the first identifier when the earbud is coupled with the first holder; and a controller configured to: control the wireless communication unit and the sound output unit in a first mode in response to detection of the first identifier, by the detecting unit, when the earbud is coupled with the first holder; and control the wireless communication unit and the sound output unit in a second mode when the first identifier is not detected by the detecting unit. control the wireless communication unit and the sound output unit in a first mode in response to detection of the first identifier, by the detecting unit, when the earbud is coupled with the first holder; and control the wireless communication unit and the sound output unit in a second mode when the first identifier is not detected by the detecting unit.