General Information GPS Running Watch with Music and Contactless Payments 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 Garmin Pay™ contactless payment solution lets you make convenient payments with your watch, so you can leave your cash and cards at home (Coming Soon!) Provides advanced running dynamics, including ground contact time balance, stride length, vertical ratio and more Uses wrist-based heart rate 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 Running is more than just exercise – it’s a performance. And Forerunner 645 Music has the tools to help you put on an outstanding show every time you lace up your shoes. It features on-device music storage – so you can run with your favorite tunes – and contactless payments that let you buy what you need without missing a beat. With all those features plus advanced running dynamics and performance monitoring tools, this GPS running watch is the instrument you need to refine the performance. Music With up to 500 songs worth of music storage built right into your watch, we’re putting the “beat” in your daily mission to beat yesterday. It’s easy to transfer music from your computer and then queue up your favorite playlist for easy listening through Bluetooth headphones. You can even sync your carefully crafted playlists from select music streaming services¹ to your watch for more ad-free listening. Now you really can leave your phone behind when you head out for a run, because the music that helps keep you moving is right there on your wrist. Paying Made Easy Always on the run? Feel free to leave your phone and wallet behind. Forerunner 645 Music features Garmin Pay contactless payment solution,² which lets you pay for purchases with your watch. Use it just about anywhere you can tap your card to pay. A bottle of water here, a bite to eat there – just pay, and keep on moving. Tune up Your Training We’re making it easier to get the data you need to improve your form. Let Forerunner 645 Music measure crucial running metrics³ that you can use to analyze your performance. Biomechanical measurements², such as cadence, stride length, ground contact time and balance, vertical oscillation and vertical ratio, are the key to understanding your form so you can bring your best on race day. These metrics are available with the addition of a compatible heart rate strap or the compact Running Dynamics Pod, which clips right onto your waistband. Also, take advantage of feature sets to help with cycling and even swim training. In the pool, Forerunner 645 Music will track your distance, pace, stroke count and more. Technical Information Placement: Wrist Sensor Type: Accelerometer Sensor Type: Heart Rate Monitor Sensor Type: Barometer Sensor Type: Altimeter Sensor Type: Thermometer Sensor Type: Digital Compass Functions: Timer Functions: Calendar Functions: Alarm Functions: Clock Display Functions: Stopwatch Functions: Text Messaging Functions: Music Player Body Metrics Measured: Elevation Body Metrics Measured: Steps Taken Body Metrics Measured: Calories Burned Body Metrics Measured: Sleep Quality Body Metrics Measured: Speed Body Metrics Measured: Cadence Body Metrics Measured: Pace Body Metrics Measured: Distance Traveled Body Metrics Measured: Heart Rate Display & Graphics Screen Size: 1.2″ Screen Resolution: 240 x 240 Touchscreen: Yes Network & Communication Bluetooth: Yes Wireless LAN: Yes GPS: Yes Battery Information Maximum Battery Run Time: 168 Hour Physical Characteristics Wrist Band Color: Cerise Material: Stainless Steel Bezel Material: Glass Lens Wrist Band Material: Silicone Weight (Approximate): 1.49 oz Miscellaneous Package Contents: Forerunner 645 Music GPS Watch Charging cable Documentation Application/Usage: Smartphone Application/Usage: Running Application/Usage: Sports Application/Usage: Swimming Application/Usage: Outside Application/Usage: Cycling Application/Usage: Weather Application/Usage: Music Application/Usage: Gym Application/Usage: Tracking Durability: Water Resistant Warranty Limited Warranty: 1 Year Product images may differ from actual product appearance.