BodyMedia's CORE 2 doesn't have just one, but four different sensors to provide the most comprehensive report about your body, minute by minute. Not only does this armband capture 5,000 data points per minute, but also it's interchangable with numerous different straps and bands for a totally customizable look. Whether you're hitting the gym or heading to a dinner party, CORE 2 will gather the data you need to track your healthy habits.

More: Body Tracking Gets Classy: Hands-On With the New CORE 2