並前往https://www.citylink.com.hk/locale/zh-CHT/product/Oral-B-IO-Series-9-%E5%85%85%E9%9B%BB%E9%9B%BB%E5%8B%95%E7%89%99%E5%88%B7-%E9%A6%99%E6%B8%AF%E8%A1%8C%E8%B2%A8-HOBIOSERIES9