Title: Good basic heart rate monitor
Product review: I purchased this heart rate monitor for spinning classes as the instructor wanted his student to keep close track of their heart rate. The Polar B3 does the basic stuff (watch, stop watch and heart rate monitor) and am quite pleased. The only negative is the battery of the watch went dead after about 18 months of using it in 1-2 spinning classes per week. Polar wants you to send the watch in for battery replacement for around $13 + shipping, but my local watch repair shop did it for $7. I have not had to replace the battery in the chest band transmitter, which I read gives you about 2500 hours of use.
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