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R1 Bluetooth Heart Rate Chest Strap: Black (CY7289)

Sigma Strap/Transmitter Heart Rate Accessories.
  • Bluetooth Smart chest strap that provides ECG accurate heart rate to compatible mobile apps
  • Compatible with all Bluetooth Smart Ready devices
  • RR intervals in milliseconds for determining heart rate variability
  • Ultra light, comfortable soft cloth chest strap with laminated electrodes that require only slight moistening
  • User replaceable battery included