Suunto M2 Black Real-time guidance: heart rate and calories burned Automatically switches between three heart rate zones to help reach personal exercise targets Suunto M2 comes with Suunto Dual Comfort Belt: comfortable textile belt, compatible with most gym cardio equipment and Suunto Fitness Solution Easy to use 9 languages: English, French, Spanish, Italian, German, Dutch, Portuguese, Swedish and Finnish With easy and comfortable monitoring of real-time heart rate and calories burned, the M2