It provides highly accurate heart rate and HRV data to compatible Garmin smartwatches and cycling computers, equipment, and apps. Dial in your running with running dynamics, including step speed loss to understand how much you slow down when your foot hits the ground (with a compatible smartwatch). HRM 600 is easily adjustable and available in two sizes so its comfortable to wear during any sport. And when you cant wear a watch, you can record your activity on the heart rate monitor and sync data, including heart rate, calories, speed, distance and more, directly to the Garmin Connect app. After pushing hard, easily remove the module and throw the strap in the wash. HRM 600 has up to 2 months of battery life with a rechargeable battery.Connectivity HRM 600 sends accurate real-time heart rate and HRV data to your compatible Garmin smartwatches and Edge® bike computers, compatible fitness equipment, the Tacx Trainingapp and other apps. Expanded Running Dynamics Improve your running f