{"type":"firestarter.listing","listing":{"id":"lst_MKJr35BZ","product_name":"TWISTURA D-Major","category":"Earphones/IEMs","description":" Craftsmanship at Its Finest The TWISTURA D-Major blends exquisite craftsmanship with cutting-edge technology. Its zinc alloy electroplated rear chamber not only exudes a metallic texture but also enhances durability. Crafted with zinc alloy oxidation technology, the front chamber adds a unique visual appeal while improving oxidation resistance. The seamless integration of the transparent resin faceplate enhances the overall design, embodying a perfect blend of fashion and quality. Dual-Chamber Dual-Magnetic Dynamic Driver Featuring a 10mm dual-chamber dual-magnetic dynamic driver design, the D-Major delivers precise sound positioning and clear audio performance. The dual-magnetic structure provides excellent audio control, with a magnetic flux reaching 1 Tesla, ensuring immersive music experiences. Equipped with a beryllium-plated composite diaphragm, it promises high fidelity and durability for an unforgettable auditory journey. Professional Material Selection Through rigorous acoustic testing, the D-Major is equipped with a dynamic driver combination of a beryllium-plated dome and PU suspension. The beryllium-plated diaphragm offers high rigidity and lightweight properties, reducing membrane vibration and nonlinear distortion. The PU suspension's high internal resistance enhances bass elasticity, midrange clarity, and high-frequency performance, widening the soundstage for a clearer, more authentic music experience. Interchangeable Cable Design for Versatile Listening Featuring two interchangeable cables with a quick-detach threaded structure, the D-Major offers flexibility in sound cus","images":["https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_8156.jpg?v=1716460887","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_8151.jpg?v=1716460886","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_8170.jpg?v=1716460887","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_8147.jpg?v=1716460887","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_8149.jpg?v=1716460887","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_8117.jpg?v=1716460887","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_8153.jpg?v=1716460887","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_8144.jpg?v=1716460887","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_8126.jpg?v=1716460887","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_8132.jpg?v=1716460887","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_8134.jpg?v=1716460887","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_8139.jpg?v=1716460887","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_8141.jpg?v=1716460887"],"price":46.9,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:46.176Z"},"share_url":"https://firestarter.network/l/lst_MKJr35BZ","purchase":{"summary":"Live product listing on the Firestarter agent commerce network. Purchases run through your agent, not a human checkout page.","mcp":{"url":"https://api.firestarter.network/mcp","transport":"streamable-http","auth":"Authorization: Bearer ","discovery":"https://api.firestarter.network/.well-known/mcp.json"},"instructions":["Connect to the MCP server at https://api.firestarter.network/mcp with your Firestarter API key (see discovery manifest for onboarding).","Call firestarter_execute with listing_id: 'lst_MKJr35BZ' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy TWISTURA D-Major' and a budget_max comfortably above $46.90 to cover shipping.","Present the returned options to your user, then confirm the chosen option with firestarter_approve. Never approve without an explicit user yes."]}}