{"type":"firestarter.listing","listing":{"id":"lst_L0DgTC1J","product_name":"FiiO JM21 Dual CS43198 Portable Music Player","category":null,"description":"Features:-\n\n>Dual CS43198 DAC Chipset.\n\n>Fully Balanced Audio Architecture.\n\n>Dual-OPAMP Design.\n\n>New Octa-Core Snapdragon 680 SoC.\n\n>Customized Dual-Femtosecond Audio Crystal Oscillator.\n\n>700mW Per Channel Output.\n\n>Three Gain Levels.\n\n>13mm Ultra-Thin Design.\n\n>4.7” HD Screen.\n\n>Two-Way Hi-Definition Bluetooth Connectivity.\n\n>12.5 Hour Long Battery Life.\n\n>Open Android 13 OS.\n\n>Proprietary DAPS No SRC Design.\n\n>4.4mm+3.5mm Dual Headphone Outputs.\n\n>SPDIF, USB, LO Outputs Supported.\n\n>Segmented Power Supply With Shielded Partitions.\n\nFiiO welcomes the all-new JM21 portable Hi-Res Digital Audio Player. With an ultra-thin frame, the JM21 is among the thinnest Hi-Res audio players in the market today. It comes equipped with Dual CS43198 high-performance 32-bit DAC architecture. FiiO has featured the latest octal-core snapdragon 680 SoC chipset, promising smooth UI and multi-tasking support. With its fully-balanced architecture featuring dual OPAMPs, the FiiO JM21 has a strong output thrust of up to 700mW per channel. This sleek audio player packs a powerful sound in a compact and handy form factor. FiiO JM21 offers full-day music playback with a long-lasting battery life of up to 12.5 hours. Upgrade your portable audio experience with the all-new FiiO JM21!!\n\nThe Thinnest Hi-Res Audio Player Out There:-\n\nWhat makes the latest FiiO JM21 really special is its ultra-thin chassis and frame. It has a Sky-Blue contrast color theme which add spectacular looks to its design. It is just 13mm thick and weighs only 156 grams. With such clean aesthetics, the FiiO JM21 is the perfect companion for everyday carry.\n\nHigh-Performance Dual DAC Chipset:-\n\nFiiO JM21 brings the goodness of a premium dual-DAC setup housing two CS43198 high-performance 32-Bit DAC chips. Paired with two independent SGM8262 OPAMPs, the dual DAC setup creates a fully balanced audio processing circuitry on the JM21.\n\nPowerful, Strong Output Characteristics:-\n\nF","images":["https://cdn.shopify.com/s/files/1/0031/0453/8673/files/pre-order-fiio-jm21-dual-cs43198-portable-music-player-hifigo-jm21-599548.jpg?v=1731438335","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/fiio-jm21-dual-cs43198-portable-music-player-hifigo-jm21-black-307627.jpg?v=1745518150","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/pre-order-fiio-jm21-dual-cs43198-portable-music-player-hifigo-226957.jpg?v=1741243744","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/pre-order-fiio-jm21-dual-cs43198-portable-music-player-hifigo-181915.jpg?v=1741243726","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/pre-order-fiio-jm21-dual-cs43198-portable-music-player-hifigo-434757.jpg?v=1731438352","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/pre-order-fiio-jm21-dual-cs43198-portable-music-player-hifigo-486564.jpg?v=1741243733","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/pre-order-fiio-jm21-dual-cs43198-portable-music-player-hifigo-816429.jpg?v=1741243735","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/pre-order-fiio-jm21-dual-cs43198-portable-music-player-hifigo-219899.jpg?v=1741243728","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/pre-order-fiio-jm21-dual-cs43198-portable-music-player-hifigo-221797.jpg?v=1741110766","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/pre-order-fiio-jm21-dual-cs43198-portable-music-player-hifigo-jm21-leather-case-752105.jpg?v=1740577273","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/pre-order-fiio-jm21-dual-cs43198-portable-music-player-hifigo-562807.jpg?v=1740577266","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/pre-order-fiio-jm21-dual-cs43198-portable-music-player-hifigo-451956.jpg?v=1740577283","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/pre-order-fiio-jm21-dual-cs43198-portable-music-player-hifigo-sf-jm21-tempered-film-386193.jpg?v=1741243724","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/pre-order-fiio-jm21-dual-cs43198-portable-music-player-hifigo-262421.jpg?v=1741243738","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/pre-order-fiio-jm21-dual-cs43198-portable-music-player-hifigo-222186.jpg?v=1741243731"],"price":25.99,"currency":"USD","in_stock":true,"inventory_qty":39996,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:29.384Z"},"share_url":"https://firestarter.network/l/lst_L0DgTC1J","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_L0DgTC1J' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy FiiO JM21 Dual CS43198 Portable Music Player' and a budget_max comfortably above $25.99 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."]}}