Fitbit

See simplified heart rate zones for quickly checking exercise intensity during workouts with PurePulse(TM) continuous, wrist-based heart rate monitoring (no uncomfortable chest strap required)
Use multi-sport tracking to track runs, cardio, cross-training, biking and more. Effortlessly and automatically record other workouts to your dashboard with SmartTrack
Enable connected GPS to map your routes and see run stats like pace and duration on display (when your phone is nearby)