Gadget may be key to getting more out of workout

WCVB BostonGadget may be key to getting more out of workoutWCVB BostonANOTHER NEW GADGET COULD BE THE KEY TO GETTING MORE OUT OF YOUR WORKOUT. HAVE YOU SEEN THE BRACELET? THE DEVICE CREATED HERE TAKES THE IDEA FURTHER. WE MADE A HEART RATE MONITOR THAT IS MORE ...