Premium GPS running/triathlon watch with wrist-based heart rate Offers advanced running and multisport Features in a comfortable watch you can wear all day, and it only weighs 49 grams Provides elevation changes with a built-in barometer; altimeter and electronic compass help you keep your bearings Evaluates your training status to indicate if you’re undertraining or overdoing it and offers additional performance monitoring Features Who cares that forerunner 935 gives you dialed-in data such as dynamics for running, cycling and swimming, wrist-based Heart rate, training status, ftp and vo2 Max? a dedicated athlete like you whos ready to Beat yesterday. This premium GPS running/Triathlon Watch helps you fine-tune your training and recovery to be a better athlete. For the competitor in you, it features Strava live segments so you can turn every run or ride into a virtual competition. For the looks count, too in you, interchangeable bands let you quickly change bands for a new Sport or style. Forerunner 935 also has smart notifications, automatic uploads and connect IQ compatibility for custom Watch faces and apps.