Polar M400 GPS Smart Sports Watch
Gps watch: built-in gps technology keeps track of your pace, distance and altitude
Fitness tracker: tracks your workouts, steps, distance, calories burned, sleep quality, and activity 24/8
Waterproof fitness trainer: use the fitness tracking watch to keep an eye on your running cadence to improve your running efficiency and avoid injuries in all weather conditions
Advanced technology: compatible with h7 heart rate sensor to train at the right intensity with target heart rate zones
Social smartwatch: plan, sync and share your training using the polar flow app and web service