For this type of microphone， the structure and the material is designed especially for mobile-show， the mesh with a copper-solder structure， the body with a zinc-alloy material and a bright， smooth surface treatment， experience of long time using for outdoor. This has a special appearance designing， tally with the function of the human body. It also has the function of protecting against slip. The high-grade balance and shielded cable make the self-noise lowest.