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Polar T31 Heart Rate Strap
At the heart of your training is the coded Polar T31 Heart Rate Strap transmitter. Its purpose is simple: to transmit your heart rate to your wrist unit. Slim and light, the ECG (electrocardiogram) accurate transmitter is fully water resistant and designed for all weather conditions. Delivers 2,500 hours of operation, or 5 years of use exercising at 10 hours a week.
Product Highlight
- Built to last up to 2500 hours of training usage
- Prevents cross-talk from other electrical devices for accurate measurement of your training
- Non user replaceable battery
- Transfers heart rate information while swimming
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