Polar Chest Strap and Transmitters sold as a set. Features: Works only with CS600 and RS800

• Coded heart rate transmitter belt


• Transmits HR data to Polar wrist-top computers


• Slim lightweight and completely waterproof


• Prevent crosstalk from other electronic devices


• Includes sealed transmitter and elastic strap

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Polar Chest Strap and Transmitters sold as a set. Features: Works only with CS600 and RS800

• Non-coded heart rate transmitter belt and comes with medium strap that fits from 25 to 54 inch chest size


• Transmits HR data to Polar wrist-top computers


• Slim lightweight and completely waterproof


• Non-coded version (doesn't prevent crosstalk)


• Includes sealed transmitter and elastic strap

More detail ...