The Yamaha BodiBeat “contains an accelerometer that links to the earphone-mounted pulse monitor, enabling it to play tracks that match your running rhythm, switching songs as you speed up and slow down.” Video after the break. Click here for first picture in gallery.

The BodiBeat is meant to be a workout companion; one that offers encouragement with metronome like precision, but at $299 it�s not really affordable.

[via YankodesignEngadget]