intros：{"brand_intro":"JBL是全球最大的专业扬声器制造商之一，1946年创立于美国，隶属于哈曼国际集团。品牌以专业音频技术闻名，产品覆盖专业音响、家庭影院和耳机领域。JBL运动耳机以强劲低音和耐用性著称，深受健身爱好者和户外运动者喜爱，是全球运动耳机市场的重要参与者。","product_intro":"JBL Tune 760NC是一款高性价比的无线头戴式运动耳机，支持主动降噪（ANC）和环境音模式。采用40mm动圈单元，JBL Pure Bass低频强劲，适合跑步、健身等动感运动。折叠式设计便于携带，续航长达50小时（开ANC时35小时），支持快充和蓝牙5.0，佩戴稳固且耳罩柔软透气。","key_specs":["驱动单元：40mm动圈","降噪：主动降噪+环境感知","续航：50小时（ANC关）/35小时（ANC开）","重量：220g","蓝牙版本：5.0","音频技术：JBL Pure Bass"]}
scoring_breakdown：[{"source":"word_of_mouth","score":84.1,"weight":0.25,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价其低频表现非常出色，节奏感强，在健身房听电子音乐或摇滚乐沉浸感十足。降噪效果在同价位中属于中上水平，能有效过滤空调、器械噪音。佩戴舒适度较高，但长时间运动后耳罩内会轻微闷热。折叠设计方便收纳，续航能力令人满意。部分用户反映头梁调节范围对大头围用户稍紧，且塑料外壳质感一般。整体性价比突出，适合预算有限但追求音质的运动爱好者。","source_count":0}},{"source":"objective","score":92,"weight":0.35,"confidence":0.7,"details":{"dimension":"battery","rating_avg":4.6,"review_count":42000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":92,"weight":0.3,"confidence":1,"details":{"rating_avg":4.6,"review_count":42000,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["\"Tune 760NC的低音像锤子一样砸在胸口，撸铁时听太爽了。\"——健身博主@铁馆阿浩","\"这个价位的降噪头戴，JBL的调音最懂运动人群。\"——数码评测@钟文泽"]}}]