Editorial Reviews:
Product Description Polar Transmitters are an integral part of Polar Heart Rate Monitors. Positioned on the chest, they measure heart rate per minute in real time. Polar Transmitters are ECG accurate and fully water resistant making them the most effective exercise tools for measuring your heart rate. Built to last. The Polar T31 Transmitter is designed to the highest of standards. Polar Transmitters deliver up to 2500 hours of operation or five years of use exercising 10 hours a week. The T31 transmitter is backed by the Polar standard 2 year maintenance free warranty.
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