AquaPulse Brings Heart Rate Training to the Pool
April 21st, 2009 link to (permalink)
Want to swim like a shark? Or a Phelps? Finis, a swimming-tech company, has unveiled the AquaPulse, a compact device that you wear behind your ear to get heart rate data while swimming.The AquaPulse uses an infrared sensor that clips to your earlobe and measures the light pulses due to capillary...
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