{"type":"firestarter.listing","listing":{"id":"lst_ew4mG59e","product_name":"KEFINE Klean SV 10mm Dynamic Driver In-Ear Earphone","category":null,"description":"Features:-\n>New-Generation 10mm DLC Diaphragm Dynamic Driver IEMs.\n>High-Clarity Sound Profile.\n>Dual-Cavity Driver Structure.\n>Three Tuning Options with Interchangeable Nozzle.\n>Solid Build Quality with Metallic Alloy Ear Cavities.\n>Ergonomic, Comfortable Ear Shells.\n>High-Quality Silver-Plated Copper Stock Cable.\n>Standard 0.78mm 2-Pin Detachable Connectors.\n>Available in 3.5mm SE, 4.4mm Balanced, and USB-C Termination Options.\nTechnical Information:-\n>Impedance: 32Ω ±15%.\n>Frequency Response Range: 20Hz~20kHz.\n>Sensitivity: 107dB±3dB.\n>Connector: 0.78mm 2-Pin.\n>Termination Options: 3.5mm, 4.4mm, Type-C.\n>Weight: 10g each side.\nKefine has launched the all-new Klean SV. Coming from the highly-acclaimed Klean, the new Klean Silver Version(Klean SV) packs a new high-hardness 10mm DLC(Diamond-Like Carbon) diaphragm dynamic driver unit. It is tuned to deliver a fast, tight, and more resolving sound signature than its predecessor model. Kefine Klean SV brings three tuning profiles easily switchable using the interchangeable tuning nozzles. KEfine bundles the Klean SV with a new silver-plated copper cable available in 3.5mm, 4.4mm, and USB Type-C termination options. Kefine Klean SV is packed with premium accessories and promises a more resolving, highly detailed sound profile. Enjoy your music with next-level clarity of the Kefine Klean SV!!\nHighly-Detailed, Immersive Sound Profile:-\nThe new Klean SV utilizes the latest DLC material(Diamond-Like Carbon) diaphragm. DLC is one of the hardest and lightest materials in the world with high mechanical strength. Kefine has adjusted the tuning of the Klean SV for a clean and detailed sound presentation. It focuses on delivering fast transients with next-level resolution and clarity. Kefine Klean SV provides wide extensions in both Treble as well as bass sections.\nHighly-Consistent Sound with Dual-Cavity Dynamic Driver:-\nKefine Klean SV adopts a dual-cavity design for the driver unit.","images":["https://cdn.shopify.com/s/files/1/0031/0453/8673/files/kefine-klean-sv-10mm-dynamic-driver-in-ear-earphone-kefine-klean-sv-35mm-661523.jpg?v=1770121837","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/kefine-klean-sv-10mm-dynamic-driver-in-ear-earphone-kefine-179374.jpg?v=1770121825","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/kefine-klean-sv-10mm-dynamic-driver-in-ear-earphone-kefine-685821.jpg?v=1770121823","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/kefine-klean-sv-10mm-dynamic-driver-in-ear-earphone-kefine-klean-sv-44mm-714494.jpg?v=1770121835","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/kefine-klean-sv-10mm-dynamic-driver-in-ear-earphone-kefine-klean-sv-typec-217616.jpg?v=1770121828","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/kefine-klean-sv-10mm-dynamic-driver-in-ear-earphone-kefine-220991.jpg?v=1770121848","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/kefine-klean-sv-10mm-dynamic-driver-in-ear-earphone-kefine-802685.jpg?v=1770121830","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/kefine-klean-sv-10mm-dynamic-driver-in-ear-earphone-kefine-180563.jpg?v=1770121839","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/kefine-klean-sv-10mm-dynamic-driver-in-ear-earphone-kefine-345403.jpg?v=1770121845","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/kefine-klean-sv-10mm-dynamic-driver-in-ear-earphone-kefine-898237.jpg?v=1770121843","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/kefine-klean-sv-10mm-dynamic-driver-in-ear-earphone-kefine-162267.jpg?v=1770121832","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/kefine-klean-sv-10mm-dynamic-driver-in-ear-earphone-kefine-152112.jpg?v=1770121841"],"price":54,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:28.559Z"},"share_url":"https://firestarter.network/l/lst_ew4mG59e","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_ew4mG59e' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy KEFINE Klean SV 10mm Dynamic Driver In-Ear Earphone' and a budget_max comfortably above $54.00 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."]}}