Voice calling device

The utility model discloses a voice calling device which comprises a shell and a back plate, the right side of the shell is rotatably connected with a plurality of limiting rods, and the back plate is provided with a plurality of matching grooves matched with the limiting rods; a limiting groove is formed in the limiting rod, a limiting mechanism matched with the limiting rod and the limiting groove is arranged in the matching groove, and a control mechanism for controlling the limiting rod to rotate is arranged in the shell. According to the utility model, through the arrangement of the limiting rod and the limiting mechanism, stable connection between the shell and the back plate in a normal state can be realized, so that the situation that the shell is easy to fall off due to collision of personnel and the like is avoided; the limiting groove is of a crescent structure, so that when the limiting rod rotates, the limiting rod can conveniently push the limiting piece to move, the limiting piece is separated