Non-destructive sound quality comes from exquisite craft and careful material selection. Ultraviolet audio line adopts high fidelity shielding design, full sound quality and pure sound color. High-quality metal shell, wear-resistant and durable, black paint, mysterious color, the shell uses thicker metal materials, more wear-resistant and durable, not easy to damage and corrosion, to ensure that the signal is not disturbed. Exquisite grinding technology, with a sense of beauty and anti-skid effect, more convenient to hold, more feel!