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      "content_preview": "<!-- The canonical_question from frontmatter, restated as an H2 immediately under H1. --> **Top pick: Beats Powerbeats Pro 2 (~$249) — secure earhooks...",
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          "id": "consumer-electronics/audio/bone-conduction-headphones/2026",
          "label": "Best Bone Conduction Headphones (2026)"
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