The Garmin Forerunner 245 Music Smartwatch does the thinking for you. It even gets to know you, mile after mile and song after song. It’s sleek and lightweight, perfect for exercise and everyday wear. Featuring a sweatproof silicone band and durable Corning® Gorilla® Glass 3, Garmin Forerunner 245 Music can handle whatever’s ahead.Garmin Forerunner 245 Music Smartwatch FeaturesHere’s something to sing about: music storage right on your wrist.Monitor your training load to see if you\'re fully owning it or just overdoing it.Prep for your next race like a boss with free Garmin Coach adaptive training plans.Finesse your form by tracking running dynamics.We\'ll watch your back for you with incident detection and assistance features.Up to 6 hours in GPS mode with music — that’ll take you all the way to the finish.Garmin CoachThese adaptive training plans feature guidance from expert coaches and free training plans that adapt to you and your goals. Workouts sync right to your watch.Built-In Sports AppsSwitch up your workout routine with activity profiles for cycling, pool swimming, indoor rowing, elliptical, stair-stepper and more.Wrist-Based Heart RateThe watch constantly samples your heart rate3 and will alert you if it stays too high or too low while you’re at rest. It also helps gauge how hard you work during activities. Even underwater.Built-In GPSTrack where you run, and get accurate stats, including distance, pace and intervals.Running DynamicsWhen used with a compatible accessory, Forerunner 245 measures crucial running metrics such as cadence, stride length, ground contact time and balance and more.VO2 MaxTrain smarter with VO2 max, an indicator of how you can expect to perform. This metric even accounts for changes in performance that could be caused by heat or altitude.Pulse OX SensorThis wrist-based sensor estimates your body\'s blood oxygen saturation4, which can help gauge how your body is absorbing oxygen — especially while you sleep.Training StatusThis metric evaluates your recent exercise history and performance indicators to let you know if you’re training productively, peaking or overreaching.Training EffectSee how your workouts influence the development of endurance, speed and power with aerobic and anaerobic training effect feedback.Training LoadThis stat measures your exercise volume from the last 7 days and compares it to the optimal range for your fitness and recent training history.Battery LifeRun your heart out with a watch that\'s got the power to keep up. You\'ll get up to 7 days of battery life in smartwatch mode and up to 6 hours in GPS mode with music.