HRM-Pro Plus transmits real-time heart rate and heart rate variability data to compatible devices, equipment, and apps. Get a tool-free battery door and up to 1 year of battery life. No, its not just a heart rate monitor. Running dynamics also help you improve your form (requires compatible Garmin smartwatch)...

This premium heart rate strap transmits real-time heart rate data over ANT+ connectivity and Bluetooth low energy technology, giving you more options to train indoors, outdoors or even online. With it, youll be able to consistently receive accurate heart rate on your Garmin device, in online training apps such as Swift or even the compatible fitnes..