Garmin best HRM-Run

Product Name: Garmin best HRM-Run
Used twice, comes with box and manual. The HRM-Run heart rate monitor provides the most advanced running metrics to high-end Garmin Forerunner running watches. The strap is seamlessly comfortable and easily adjustable while the module is small, lightweight and fits entirely within the width strap. HRM-Run provides 6 different rynning dynamics metrics: cadence, vertical oscillation, ground contact time, ground contact time balance, stride length and vertical ratio The strap is comfortable and easily adjustable Real-time data can help athletes take their performance best to the next level by showing them where they can improve their running form no.