{"appears_in":[{"position":3,"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":8.7,"url":"https://buyranker.com/ranking/best-electric-toothbrushes-2026"}],"brand":"Oral-B 欧乐B","buy_url":null,"canonical_url":"https://buyranker.com/product/oral-b-p4000","category":{"name":"电动牙刷","slug":"electric-toothbrush"},"cons":["噪音与震手感明显大于磁驱机型","外观与做工是老一代设计","无屏幕、无 APP"],"description":null,"id":"339f9ad65082a49ab8cc2002e1857993","image_url":null,"name":"欧乐B P4000","official_url":"https://jd.zol.com.cn/977/9773929.html","price":{"currency":"CNY","max":259,"min":159},"pros":["这个价位少见的四模式 + 压力感应组合","旋转摆动对牙菌斑和色渍最直接","普通小圆头刷头全市场供货，长期成本低","USB 充电，出差不用带专用底座"],"release_year":2019,"slug":"oral-b-p4000","specs":{"充电":"USB 充电，一次约可用两周","压力感应":"有，触发后降速并亮灯","摆动频率":"约 8800 次/分钟左右摆动","清洁方式":"3D 旋转摆动 + 前后脉动（小圆头）","清洁模式":"4 种（日常清洁/牙龈护理/敏感柔护/美白抛光）","脉动频率":"约 40000 次/分钟前后脉动"},"summary":"3D 旋转摆动 + 脉动，4 模式 + 降速式压力感应，低价位清洁力标杆"}