A headset includes a Bluetooth headset body, a microphone, and at least one speaker. The Bluetooth headset body includes a Bluetooth headset main-board and a battery. Interfaces provided by the Bluetooth headset main-board include the interfaces for the microphone and the speaker. Anodes of the microphone and the at least one speaker are connected to the corresponding interfaces of the Bluetooth headset main-board, respectively, and their cathodes are connected to a ground cable, respectively. The headset further includes: a headset plug, where interfaces of the headset plug are correspondingly and electrically connected to the anode of the at least one speaker, the ground cable, and the anode of the microphone, respectively; and connections between the anode of the microphone and of the at least one speaker and the corresponding interfaces of the Bluetooth headset main-board are disconnected after the headset plug is plugged in the external headset jack.