As an emerging audio device, helmet-mounted headphones not only provide an immersive listening experience, but also become a symbol of individuality due to their unique appearance design. The mecha element, derived from the mechanical armor in science fiction and animation, has become the key to enhance the sense of technology and attractiveness of the product with its tough lines, high-tech texture and strong functionality. The purpose of this study is to promote the innovation and upgrading of product design by combining the essence of deep excavator A culture with modern earphone design.