{"appears_in":[{"position":4,"ranking_slug":"best-label-makers-home-office-2026","ranking_title":"2026 年家用标签机怎么选：先分热转印与热敏，8 款从收纳标记到线缆管理横向对比","score":8.7,"url":"https://buyranker.com/ranking/best-label-makers-home-office-2026"}],"brand":"NIIMBOT","buy_url":null,"canonical_url":"https://buyranker.com/product/niimbot-b21-pro","category":{"name":"标签机","slug":"label-maker"},"cons":["价格需按地区核实","直热标签有保存边界","依赖专用 App 与匹配耗材"],"description":"在传统窄带标签机与商用价签机之间，兼顾家庭外观和小批量宽标签。","id":"c15a0524dbbd8a083c38ae715afaa12f","image_url":null,"name":"NIIMBOT B21 Pro","official_url":"https://www.niimbot.com/au/hardware/detail?productCode=HPC250522074108000008","price":{"currency":"USD","max":null,"min":null},"pros":["宽幅且分辨率高","USB-C 充电与电脑/手机编辑","适合二维码和批量数据"],"release_year":2026,"slug":"niimbot-b21-pro","specs":{"电池":"1500mAh","连接":"Bluetooth / USB","分辨率":"300 dpi","打印方式":"直热","最大速度":"50mm/s","标签宽度":"20–50mm","有效打印宽度":"48mm"},"summary":"300 dpi、20–50mm 标签宽度、蓝牙/USB 双连接的复古造型直热标签机。"}