{"type":"firestarter.listing","listing":{"id":"lst_OJonDS87","product_name":"CCA Polaris","category":"Earphones/IEMs","description":"                                            Natural Sound with Harman Graph Precision                        The CCA Polaris IEMs closely adhere to the respected Harman graph standard， it summarizes the preferred sound quality of the majority of listeners, known for its natural tonal balance and widely adored by music enthusiasts. Now, through Polaris, you can experience an unprecedented level of natural sound quality as defined by the Harman graph.                                                                                    4 Adjustable turning switches                        Polaris stands out with its four adjustable tuning switches, allowing you to precisely tailor your sound to your liking. With more than a dozen available sound styles, you can control bass and treble frequencies to create a truly unique and professional listening experience.                                                                                    10mm Dual-Cavity Dynamic                        Equipped with a robust 10mm dual-cavity dynamic driver, Polaris delivers an exceptional sensitivity response of 109dB at 1 kHz. This performance surpasses other dynamic driver units and ensures a leading-edge hardware configuration.                                                                                    Astonishing Pure &amp; Natural Sound Quality                        Polaris' acoustic design is based on an algorithmic simulation, minimizing unwanted resonances. The result is an audio experience with astonishingly pure and natural sound, setting it apart from the competition.                                                                                    Professional-Grade Cable                        The flat transparent black cable is more than just a visual statement. It significantly enhances sound quality due to its low impedance, providing superior performance compared to regular OFC (oxygen-free copper) IEM cables.                                        ","images":["https://cdn.shopify.com/s/files/1/0040/7201/3924/files/3d4408c8738e6ed420e7e514a97a8bf9_fc7c6d0f-607c-4b12-a55e-ff438b55f049.png?v=1699264128","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/4_e498409e-7a9a-49f8-91b2-2569af67b9c6.jpg?v=1699264127","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/SKU-800.jpg?v=1699264127","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/3_82c04c4c-37fb-4aa1-a495-7b5b369bb841.jpg?v=1699264126","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/2_b4440344-d0ba-443e-915d-27a18611baf2.jpg?v=1699264127"],"price":13,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:46.496Z"},"share_url":"https://firestarter.network/l/lst_OJonDS87","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 <your Firestarter API key>","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_OJonDS87' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy CCA Polaris' and a budget_max comfortably above $13.00 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."]}}