Microphone is used in music teaching convenient to carry

The utility model discloses a microphone is used in music teaching convenient to carry, the power distribution box comprises a box body, the USB interface, and a control panel, the connecting block, the case lid, the handle, put the frame, the bottom plate, expanding spring, the slide bar, the roof, the battery, electric telescopic handle, the gooseneck pole, microphone sleeve and microphone, thetop of box is connected with the case lid, control panel is installed to the side of box, the bottom fixedly connected with bottom plate of the inner wall of box, the equal fixedly connected with slide bar in top four corners of bottom plate, the top of slide bar is equipped with the external screw thread, expanding spring has all been cup jointed in the outside that the upper surface of bottom plate is located the slide bar, expanding spring's the bottom and the top fixed connection of bottom plate, the top four corners of roof is equipped with the through -hole, the top of slide bar is passed the through -hole and i