Tutorial - Forerunner 645 | 645 Music: Getting the Most Out of Your Device

Learn how to use your Forerunner 645 device. This GPS running watch stores up to 500 songs (Forerunner 645 Music only) and includes Garmin Pay™ contactless payment solution1, so you can leave your phone and wallet at home. Fine-tune your training with wrist-based heart rate2, advanced running dynamics3 and performance monitoring features.

• Easily download up to 500 songs to your watch, and connect with Bluetooth® headphones (sold separately) for phone-free listening (Forerunner 645 Music only).
• Syncs music from select streaming services for offline listening (Forerunner 645 Music only).
• Garmin Pay™ contactless payment solution1 (coming soon) lets you make convenient payments with your watch, so you can leave your cash and cards at home.
• Provides advanced running dynamics3, including ground contact time balance, stride length, vertical ratio and more.
• Evaluates your current training status to indicate if you’re undertraining or overdoing it; offers additional performance monitoring features.
• Battery life4: up to 7 days in smartwatch mode; 5 hours in GPS mode with music.

1 View current supported country, payment network and issuing bank information
2 Activity tracking accuracy
3 When used with Running Dynamics Pod or HRM-Run™ or HRM-Tri™ monitor (sold separately)
4 Under typical use; battery life will vary depending upon usage and selected performance mode

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