Connectivity Through ANT+ technology and Bluetooth Low Energy technology, this dual-transmission monitor transmits accurate real-time heart rate and performance data to Garmin smartwatches and cycling computers, compatible fitness equipment, the Tacx Training app and other apps. Running Dynamics HRM-Pro Plus captures running dynamics – such as vertical oscillation, ground contact time, stride length, vertical ratio and more – to help improve your form and enable running power on your compatible Garmin watch. Indoor Training For your indoor track or treadmill sessions, this heart rate monitor transmits pace and distance information to your compatible Garmin smartwatch and over Bluetooth Low Energy technology, so you can get the data you need no matter where you train.