I really recommend this product to anyone who wants to begin measuring their workouts in a serious way.

My Use - I use it in conjunction with the endomondo app on my phone while I do running, yoga and other workouts. The app gets the heart rate from the Polar H7 and helps in calculating HR zones of my workout and also accurate number of calories burned. I have synced endomondo to my myfitnesspal account that tracks the calories of food I ate in a day (has a good database of Indian food nutri...