Manufacturer Description:

The Suunto t3d gives you the edge to efficiently take your workout to the next level. The included Suunto Dual Comfort Belt accurately monitors your real-time heart rate, calorie consumption, and Training Effect: a quick and accurate measurement of how hard your body is working at any given moment, so you can easily find that sweet spot for getting the most out of each workout. Optional Suunto PODs take your Suunto t3d one step further by calculating your speed and distance in all your sports, in addition to your cycling cadence. View your personal stats in the training logbook to help you follow your progress and reach your targets. Read more