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TRANSMITTER POLAR WEARLINK T31 CODED
At the heart of your training is the coded T31. 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
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Built to last with up to 2500 hours of training usage
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Prevents cross-talk from other electrical devices for accurate measurement of your training
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No user replaceable battery
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