Garmin Forerunner 645 Music - GPS Running Watch

Easily download up to 500 songs to your watch, and connect with Bluetooth headphones (sold separately) for phone-free listening
Syncs music from select streaming services for offline listening (May require premium subscription with a third-party music provider)
Garmin Pay contactless payment solution lets you make convenient payments with your watch (available for supported cards from participating banks), so you can leave your cash and cards at home
Provides advanced running dynamics (when used with Running Dynamics Pod or HRM-Run or HRM-Tri monitor, sold separately), including ground contact time balance, stride length, vertical ratio and more
Uses estimated wrist-based heart rate data to offer performance monitoring features, including evaluating your current training status
Battery life: up to 7 days in smartwatch mode; 5 hours in GPS mode with music