心率監測器

來源: 於 2013-11-28 12:15:01 [舊帖] [給我悄悄話] 本文已被閱讀：次

Polar Heart Rate Monitors on Sale for Black Friday At Heart Rate Watch Company

http://www.broadwayworld.com/bwwfitness/article/Polar-Heart-Rate-Monitors-on-Sale-for-Black-Friday-At-Heart-Rate-Watch-Company-20131127