{"type":"firestarter.listing","listing":{"id":"lst_3pusrPIg","product_name":"Softears CERBERUS 1DD+4BA+2EST Hybrid Drivers HiFi In-Ear Earphone","category":"Earphone","description":"Features:\nThe EST unit, Balanced Armature Unit and the Dynamic unit are responsible for high frequency, intermediate frequency and low frequency, respectively.\nExquisite craftsmanship, handmade\n1DD+4BA+2EST\nSonion composite electrostatic drive unit\n\n\n\nSpec:\n\nSensitivity: 104dB/100mV\nImpedance: 5Ω@1kHz\nFrequency response range: 10-80000Hz\nDistortion: THD≤1%, 1MD≤1%\n \n\n\n\n \n","images":["https://cdn.shopify.com/s/files/1/0031/0453/8673/products/softears-cerberus-1dd4ba2est-hybrid-drivers-hifi-in-ear-earphone-earphone-hifigo-285519.jpg?v=1655541072","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/softears-cerberus-1dd4ba2est-hybrid-drivers-hifi-in-ear-earphone-earphone-hifigo-241203.jpg?v=1655457297","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/softears-cerberus-1dd4ba2est-hybrid-drivers-hifi-in-ear-earphone-earphone-hifigo-964759.jpg?v=1655457297","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/softears-cerberus-1dd4ba2est-hybrid-drivers-hifi-in-ear-earphone-earphone-hifigo-748768.jpg?v=1655457297","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/softears-cerberus-1dd4ba2est-hybrid-drivers-hifi-in-ear-earphone-earphone-hifigo-653223.jpg?v=1655457297","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/softears-cerberus-1dd4ba2est-hybrid-drivers-hifi-in-ear-earphone-earphone-hifigo-413850.jpg?v=1655457297","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/softears-cerberus-1dd4ba2est-hybrid-drivers-hifi-in-ear-earphone-earphone-hifigo-746105.jpg?v=1655457297","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/softears-cerberus-1dd4ba2est-hybrid-drivers-hifi-in-ear-earphone-earphone-hifigo-903926.jpg?v=1655457297","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/softears-cerberus-1dd4ba2est-hybrid-drivers-hifi-in-ear-earphone-earphone-hifigo-978375.jpg?v=1655457297","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/softears-cerberus-1dd4ba2est-hybrid-drivers-hifi-in-ear-earphone-earphone-hifigo-571077.jpg?v=1655457297"],"price":2099.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:31.894Z"},"share_url":"https://firestarter.network/l/lst_3pusrPIg","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_3pusrPIg' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Softears CERBERUS 1DD+4BA+2EST Hybrid Drivers HiFi In-Ear Earphone' and a budget_max comfortably above $2099.99 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."]}}