Features: Double 0.75mm gold-plated pins, Full-frequency composite speaker, really restores the original sound, subwoofer, classic moving-coil sports headphones. In line with the ergonomic shape and circumferential ear design, the product is not easy to slip, comfortable and durable, suitable for long-term wear. Volume control by wire, with buttons to easily control phone calls and music playback pauses, suitable for office, sports, fitness, driving, and other scenes. Made of high-quality Aluminum alloy shell and TPE materials, durable. Spiral TPE material line performance is better, high-definition signal transmission clean and lossless. Made with exquisite craftsmanship, headphones have diamond-like texture and bright and tough lines, with a stylish and beautiful appearance.