scoring_breakdown:[{"source":"word_of_mouth","score":46.5,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价以\"便宜但鸡肋\"为主。优点:价格极低,功能多;外观设计时尚(马卡龙色系)。缺点:EMS电流刺痛感强,且无档位调节;离子导入效果微弱,基本无感;蓝光功能无实际杀菌效果;电池续航差,充电慢。专业评测(如B站UP主)指出其内部电路简单,实际输出功率不足,属于\"玩具级\"产品。","source_count":4}},{"source":"objective","score":84.00000000000001,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.2,"review_count":95000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":84,"weight":0.25,"confidence":1,"details":{"rating_avg":4.2,"review_count":95000,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"matched_count":2,"base_score":82,"weighted_score":80,"sample":["小红书@踩雷博主:Notime SK-218买回来用了两次就吃灰了,EMS电流像针扎。","抖音@测评达人:199元还要什么自行车?但真的别指望有效果。"]}}]