These rugged fenix multisport GPS watches let you add mapping, music, intelligent pace planning and more to your workouts - so you can take any challenge in stride. Wrist-based heart rate and Pulse Ox2 sensors add insight to your fitness activities. Dynamic PacePro feature helps you run smarter over various types of terrain. Preloaded ski maps for more than 2,000 resorts around the world. Measure running and cycling performance in ways you didn't know were possible. Navigate your world with multi-GNSS satellite reference and outdoor sensors. Sync your favorite streaming services, and listen to music without your phone.