Forerunner 35 easy to use gps running watch with wrist based heart raterun your heart outforerunner 35 is slim and lightweight perfect for daily runs training and racing it features built in garmin elevate wrist based heart rate as well as gps that tracks your distance pace intervals and more and since all these stats are captured by the watch your watch is all you need no phone no chest strap just put on forerunner 35 and gostay connected when paired with your compatible smartph