{"type":"firestarter.listing","listing":{"id":"lst_XJz67xDF","product_name":"Sennheiser Momentum 5 Wireless Over-Ear ANC Headphones","category":"Headphone","description":"Note: This is a pre-order with products shipping to customers by mid July.\nThe MOMENTUM 5 combines Sennheiser’s latest wireless tech, adaptive noise cancellation, and support for lossless audio in a refined over-ear design built for long listening sessions. A newly developed 42 mm dynamic driver, Bluetooth 5.4 connectivity, and support for advanced codecs including aptX Lossless and Snapdragon Sound help preserve detail and clarity across your music library. With up to 57 hours of battery life and Hybrid Adaptive ANC powered by eight microphones, the MOMENTUM 5 is designed to stay focused on the music while fading into the background.\nDetailed sound with broad codec support\nA 42 mm dynamic driver and carefully tuned acoustic design support a frequency response extending from 6 Hz to 40 kHz through Bluetooth and USB playback. The MOMENTUM 5 supports SBC, AAC, aptX, aptX HD, aptX adaptive, aptX lossless, and Snapdragon Sound for higher-quality wireless playback across compatible devices. Whether streaming high-resolution content or listening over a wired connection, the presentation remains detailed and controlled.\nAdaptive noise cancellation with more microphones\nThe updated Hybrid Adaptive ANC system uses eight microphones—twice as many as the previous generation—to improve noise suppression, particularly through the midrange frequencies where conversations and surrounding activity often compete for attention. Beamforming microphones also support clearer voice pickup during calls.\nBattery designed for extended listening\nThe replaceable lithium-ion battery provides up to 57 hours of playback over Bluetooth with active noise cancellation enabled. A full charge takes approximately two hours, while a quick 10-minute charge can provide up to seven hours of playback. USB-C charging support keeps power management straightforward for travel and everyday use.\nBuilt for comfort and daily use\nThe MOMENTUM 5 uses an over-ear, circum-aural design with a folding structure for eas","images":["https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-apos-headphone-sennheiser-momentum-5-wireless-over-ear-anc-headphones-1240681750.png?v=1779905889","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/Untitled_design_34067b35-b849-4c6c-ab9b-71fb94984573.jpg?v=1781648401","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/Untitled_design_1_88b9884f-a1d6-4869-adda-0cd002db802e.jpg?v=1781649281"],"price":399.95,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-20T16:25:55.773Z"},"share_url":"https://firestarter.network/l/lst_XJz67xDF","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_XJz67xDF' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Sennheiser Momentum 5 Wireless Over-Ear ANC Headphones' and a budget_max comfortably above $399.95 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."]}}