A very well during 20jours!

A very well during 20jours!

Polar - FT4 - Heart rate monitor (Sports)
Buy at Amazon.com

Customer Review

Very good product. Heart rate very precise. However I had a worry, after 20 days of transmitter was not working. I did not understand why, given my everyday use and great care of my emploies. However the price is really low for this quality cardio !!!!
The service from amazon (being Extremely efficient) shipped me a new back against the one who no longer worked !!! everything is back to normal !!!! I recommend to all beginners or experienced sportsmen !!!!

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