{"type":"firestarter.listing","listing":{"id":"lst_MVr0oqQZ","product_name":"KZ EDX Ultra","category":"Earphones/IEMs","description":"\n\n\nThe Newly Upgraded 10mm Dual Magnetic Dynamic Unit\nThe advantage of the dual magnetic circuit dynamic is the solid and abundant magnetic, which provides shocking low-frequency sound effects, and the gentle and sweet vocals as if being in a concert scene. The magnetic flux of the unit carried by the KZ EDX Ultra has improved again based on the original, making the energy of the mid-low frequency more saturated and having a better performance for the bass.\n\n\n\n\n\nHigh-End Resin & Metal Inlay Process\nThe imported resin cavity is matched with a bright metal ornament. The inlay technology is used to make the cavity closely fit with the metal cover, showing the excellent texture of KZ EDX Ultra.\n\n\n\n\n\nHigh-Purity Silver-Plated Cable & Improved 2Pin Plug-In Structure\nThe cable of KZ EDX Ultra is made of a high-purity silver-plated wire base. It reduced the loss in the process of electrical signal transmission, effectively improved the sound transparency, and made the sound clear and the human voice and musical instruments more pleasant. After analyzing various interchangeable cable interfaces in the industry, we improved the plug-in structure. KZ EDX Ultra can be equipped with a KZ Bluetooth module to convert to Bluetooth earphones and upgraded with the KZ upgrade cables to improve its sound quality.\n\n\n\n\n\nErgonomically Design\nWe collected extensive data to optimize KZ EDX Ultra's curvature, front cavity shell, catheter inclination angle, etc., you can wear KZ EDX Ultra for a long time without pressure. Comfortable at any time.\n\n\n\n\n\nSkin-Friendly And Soft Silicone Ear Tips\nThree pairs of silicone ear tips with L, M, and S sizes are included, which fit the ear canal and have good airtightness, effectively reducing external noise and letting you enjoy every music moment.\n\n\n\n\n\n\n","images":["https://cdn.shopify.com/s/files/1/0040/7201/3924/products/1_ff06f6f1-e73d-4af3-b76e-3db8418d6f7d.jpg?v=1651910479","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/2_ebadc46f-3526-45d5-bf25-056944345f7f.jpg?v=1651912491","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/3_44dd6181-ff63-4c02-adb1-20a4f49ab3bb.jpg?v=1651912517","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/4_d2a1cfb5-11ff-4d92-90b0-81c7f4a80f79.jpg?v=1651912531","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/6_aba7f222-a700-474b-a784-35706bb3061a.jpg?v=1651912608","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/5_047a351e-1c05-4c9b-9c22-cb576c1cff31.jpg?v=1651912614"],"price":21.99,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:47.562Z"},"share_url":"https://firestarter.network/l/lst_MVr0oqQZ","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_MVr0oqQZ' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy KZ EDX Ultra' and a budget_max comfortably above $21.99 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."]}}