sigma vs polar ...

sigma vs polar ...

Sigma PC 15 Heart Rate Monitor (Sports)

Customer Review

Great product, simple and efficient, no need to spend hours on the book before putting it into service. I do not regret my old detective with its battery replacement costs and other belt repurchase problems.

Perfect January 1071 Rank: 5/5
February 15
classical musician rocker Rank: 5/5
February 12
Small Smart Rank: 3/5
October 15
consistent with the photo 24 Rank: 4/5
December 16

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