Bal b/f 632 Tempos+7 Tempos=639 Tempos Bal c/f
https://tw.news.yahoo.com/%E5%AE%B6%E5%AF%A7%E6%83%B9%E6%AF%9B-%E7%A5%A8%E6%9C%AA%E4%BE%86%E6%B3%95%E5%BE%8B%E4%BA%BA-%E8%80
產品名稱：QCY Crossky C30 開放式藍牙耳夾耳機 產品資訊 QCY Crossky C30 開放式藍牙耳夾耳機評語： 全新的佩戴方式，只需夾在耳
https://www.tdm.com.mo/zh-hant/radio/program-playlist/513942?tabIndex=0
https://www.google.com/amp/s/www.nownews.com/amp/news/6659108