{"type":"firestarter.listing","listing":{"id":"lst_ZCsrMZMk","product_name":"AFUL PolarNight / Polar Night 15.4mm Dynamic Driver Earbuds","category":null,"description":"Note: The small black foam piece in the packaging is a tuning foam. There is a damping hole on the top of the earphone. If the tuning foam on the earphone gets lost or dirty, just replace it.\nFeatures:-\n>A New Masterpiece Earbud.\n>Metal Front Cavity.\n>High-Precision 3D Printed Acoustic Rear Cavity.\n>Dual-Resonance Dual-Damping Amplitude Control Technology.\n>Neodymium N52 High-Performance Magnet.\n>Exquisite Designer Patterns on Face Covers.\n>Proprietary 15.4mm Dynamic Driver Unit.\n>PET Composite PU Diaphragm.\n>Copper-Clad Aluminum Voice Coil.\n>True HiFi Tuning Profile.\n>Expansive, Smooth, Warm, Sound Response.\n>Ergonomic and Lightweight Comfortable Design.\n>Easy to Power.\n>Detachable MMCX Connector Cable.\n>High-Purity 5N Single-Crystal Copper Stock Cable.\nTechnical information:-\n>Impedance: 32Ω.\n>Sensitivity: 108dB@1kHz.\n>Frequency Response: 20Hz~25kHz.\n>Build Material: Aluminum Alloy+Resin.\nAFUL welcomes the Polar Night, a revolutionary new pair of earbuds designed with a 15.4mm large-sized dynamic driver unit. As always, AFUL has incorporated its self-developed technologies to overcome the traditional issues of earbuds. The pair employs a dual-channel resonance airflow control with dual-damping technology. This system overcomes the traditional low-bass issue of earbuds and treats the users with a solid, punchy bass response and true-to-life natural vocals. AFUL has designed the Polar Night earbuds with a metallic aluminum alloy front cavity and a high-precision 3D printed acoustic rear cavity. This design helps them to achieve a highly cohesive, refined sound response. With its true HiFi performance, prepare yourself to experience the true next-generation earbuds in the form of AFUL Polar Night!!\nA Poetic Design:-\nDuring the long polar nights, aurora lights fill the sky with energy and life in the form of their cool blue-violet patterns. Moved by this fleeting beauty of the night sky,  AFUL’s designer has cap","images":["https://cdn.shopify.com/s/files/1/0031/0453/8673/files/aful-polarnight-polar-night-154mm-dynamic-driver-earbuds-hifigo-821761.jpg?v=1761619517","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/aful-polarnight-polar-night-154mm-dynamic-driver-earbuds-hifigo-489700.jpg?v=1761619517","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/aful-polarnight-open-back-acoustic-earbuds-hifigo-polarnight-939168.jpg?v=1761619517","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/aful-polarnight-154mm-dynamic-driver-earbuds-hifigo-815764.jpg?v=1761619517","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/aful-polarnight-polar-night-154mm-dynamic-driver-earbuds-hifigo-280882.jpg?v=1761619517","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/aful-polarnight-polar-night-154mm-dynamic-driver-earbuds-hifigo-841248.jpg?v=1761619517","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/aful-polarnight-154mm-dynamic-driver-earbuds-hifigo-930814.jpg?v=1761619517","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/aful-polarnight-open-back-acoustic-earbuds-hifigo-139344.jpg?v=1761619517","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/aful-polarnight-polar-night-154mm-dynamic-driver-earbuds-hifigo-407461.jpg?v=1761619517","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/aful-polarnight-polar-night-154mm-dynamic-driver-earbuds-hifigo-333676.jpg?v=1761619517","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/aful-polarnight-polar-night-154mm-dynamic-driver-earbuds-hifigo-233728.jpg?v=1761619517","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/aful-polarnight-polar-night-154mm-dynamic-driver-earbuds-hifigo-722019.jpg?v=1761619517","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/aful-polarnight-154mm-dynamic-driver-earbuds-hifigo-554753.jpg?v=1761619517","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/aful-polarnight-154mm-dynamic-driver-earbuds-hifigo-202669.jpg?v=1761619517"],"price":165.99,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:29.102Z"},"share_url":"https://firestarter.network/l/lst_ZCsrMZMk","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_ZCsrMZMk' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy AFUL PolarNight / Polar Night 15.4mm Dynamic Driver Earbuds' and a budget_max comfortably above $165.99 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."]}}