Refine your running form with the Running Dynamics Pod. Clip this discreet and lightweight running tech onto your waistband and sync it with your Garmin watch to get detailed insights into your cadence, stride length, ground contact time, balance, vertical oscillation and more. Its advanced accelerometer calculates essential metrics, while ANT+® connectivity links to the Garmin Connect™ app, so you can track your progress over time and perform better on race day. Features: Computes and sends six running dynamics metrics to your compatible device Battery life: replaceable battery lasts up to 1 year (assuming 1 hour daily use) Automatically turns itself on and off Tiny size: at less than 0.5 ounces, you’ll forget it’s there Compatible devices connect with the Garmin Connect™ Mobile app to automatically sync your data and connect with others