The Adidas Fit Smart is designed to feel like you have coach right by your side. It tracks pace, distance, and stride whilst keeping in sync with your heart rate via its Mio continuous optical heart monitor. The Fit Smart can connect wirelessly with the miCoach Train and Run app to allow you full access to your stats, set your own goals and personalize your training plan- the Fit Smart aims to get your training smarter. With its soft silicone based strap, you’ll have it on all the time, and it reaches full charge in 3 hours so you won’t be without it for too long.