{"appears_in":[{"position":8,"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":8.8,"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-io9","category":{"name":"电动牙刷","slug":"electric-toothbrush"},"cons":["相对 iO5 的溢价主要在交互而非清洁力","iO 专用刷头长期成本高","体积与重量在全榜偏大"],"description":null,"id":"1e7f4ee707e07578c33dc5609e2b2109","image_url":null,"name":"欧乐B iO9","official_url":"https://oralb-hk.com/io/","price":{"currency":"CNY","max":1999,"min":1299},"pros":["16 区追踪是全榜最细的刷牙死角纠正方案","磁吸 3 小时快充，体验远好于 iO5","彩屏交互完成度高，送礼体面","舌苔清洁模式对口气问题有实际帮助"],"release_year":2021,"slug":"oral-b-io9","specs":{"马达":"线性磁驱马达","交互屏幕":"彩色交互屏","位置追踪":"16 区口腔追踪","充电方式":"磁吸充电，约 3 小时充满","压力感应":"有，可视化压力环","清洁方式":"旋转摆动 + 微振动（小圆头）","特色模式":"含舌苔清洁模式"},"summary":"iO 系列旗舰，彩色交互屏 + 16 区位置追踪 + 磁吸 3 小时快充"}