B089B1ZKT2 POLAR Unite Waterproof Fitness Watch (Includes Wrist-based Heart Rate and Sleep Tracking)

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FOR INDOOR AND OUTDOOR SPORTS: The Polar Unite comes fully equipped with 50 hours of battery life in training mode, color touchscreen display, 1-button interface with advanced wrist HR monitor, GPS, & Smart Calories. Perfect for all sports and exercises.
DAILY TAILORED WORKOUTS WITH FITSPARK TRAINING GUIDE: Enjoy your personal on-demand ready-made trainings matching your recovery and readiness every single day. FitSpark workouts are guided in real time with visual instructions.
KNOW HOW YOU SLEEP: Follow your sleep stages and get detailed sleep insights with the Sleep Plus Stages sleep tracking.
RECOVERY MEASUREMENT: Nightly Recharge gives you daily feedback on how well you recover from stress and training during the night. This helps you make optimal choices the next day.
CONNECTIVITY: Connect easily with online sports communities (MyFitnessPal, Endomondo, Nike+ Run Club, Strava, TrainingPeaks, Adidas Running by Runtastic and more).