Workout MP3 Player Listens To Your Heart

Heart Attack Death Rate Declines Sharply

The Yamaha BODiBEAT is an MP3 player with a uniquely medical twist; it listens to your heartbeat while you're walking or working out and picks music to match your pace.

The device keeps track of the metrics of your workout, like distance, time, pace and yes, heart rate. The operating mode of the BODiBEAT may be selected by the user; each has special features:

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Bill Christensen catalogues the inventions, technology and ideas of science fiction writers at his website, Technovelgy. He is a contributor to Live Science.