Earphone

The utility model provides an earphone, comprising an arc-shaped member having a telescoping part telescoping along an arc line; the receiver is connected with the telescopic part of the arc-shaped piece through a connecting piece; the connecting piece is detachably connected with the receiver through a bolt, the connecting piece comprises a fixing part, and the fixing part is used for being in close contact with the side face of the bolt so as to apply force for limiting rotation of the bolt. According to the earphone provided by the utility model, the detachable connection with the receiver is realized through the bolt on the connecting piece, and the fixed part is tightly contacted with the side surface of the bolt, so that the rotation capability of the bolt is limited, the bolt is prevented from loosening, the receiver and the connecting piece are kept in a firm connection state, and the receiver is prevented from being lost due to the separation of the receiver and the connecting piece. 本实用新型提供了一种耳机，其包括