Take your goals further with a health & fitness tracker that packs built-in GPS for pace and distance, 24/7 heart rate tracking and more into a comfortable wristband. Better understand how many calories you burn—all day and during workouts—to manage your weight and stay on track toward your goals. Syncs with Mac OS X 12.2 and up, iPhone 5S and later, iPad 5 gen. and later, Android 7.0 and later. Music control via Bluetooth LE on Android and iOS devices. Battery life up to 7 days, or up to 5 hours with continuous GPS use. Water resistant to 50 meters.