Garmin HRM-PRO Premium Heart Rate Monitor Chest Strap, Real-time Heart Rate Data and Running Dynamics, Dual Data Transmission ANT+ and Bluetooth - Product Features
- accurate heart rate data over ANT+ connectivity and Bluetooth Low Energy technology
- captures running dynamics that includes metrics such as vertical oscillation, ground contact time, stride length, vertical ratio and more
- heart rate data during swimming or other activities while watch is out of range then sends that data to the watch once the activity is finished
- a small, lightweight heart rate monitoring module that is no wider than the width of the soft, comfortable strap