{"appears_in":[{"position":9,"ranking_slug":"best-electric-toothbrushes-2026","ranking_title":"2026 年电动牙刷怎么选：旋转式还是声波式、压力感应与刷头成本，10 款主流机型横向对比","score":8.5,"url":"https://buyranker.com/ranking/best-electric-toothbrushes-2026"}],"brand":"Philips 飞利浦","buy_url":null,"canonical_url":"https://buyranker.com/product/philips-sonicare-diamondclean-smart-hx9924","category":{"name":"电动牙刷","slug":"electric-toothbrush"},"cons":["清洁力相对中端款提升有限，溢价主要在配件","原厂刷头单价高，长期成本可观","上市时间较早，交互相比新款国产略显保守"],"description":null,"id":"75709af6b58355286d933efba8f4989a","image_url":null,"name":"飞利浦 Sonicare DiamondClean Smart（HX9924）","official_url":"https://www.philips.com.cn/c-p/HX9924_12/diamondclean-smart-sonic-electric-toothbrush-with-app","price":{"currency":"CNY","max":1499,"min":899},"pros":["5 模式 × 3 档力度，可调空间全榜最大","4 种刷头开箱即全，含舌苔清洁","刷头感应记录用量，换头提醒准确","礼品属性强，包装与配件完成度高"],"release_year":2018,"slug":"philips-sonicare-diamondclean-smart-hx9924","specs":{"力度档位":"3 档","振动频率":"约 31000 次/分钟","智能功能":"智能刷头感应，记录使用时长与力度并提醒更换；支持 Sonicare APP","清洁方式":"声波振动（长刷头）","清洁模式":"5 种（标准清洁/白皙+/深层清洁+/牙龈护理/舌苔清洁）","随机刷头":"4 种高效刷头"},"summary":"约 31000 次/分钟声波振动，5 模式 × 3 档力度，随机 4 种刷头 + APP 引导"}