Polar | Professional Running Heart Rate Watch Water-Resistant Fitness Fat-Burning Calorie Heart Rate Monitor Marathon Outdoor Trail Running GPS Timing Pace Kilometer

Long-lasting Battery Life With a 273mAh battery, the watch offers extended usage, ensuring you stay connected and informed throughout your day.

Comprehensive Health Monitoring With sleep monitoring and sedentary reminders, this watch promotes a healthier lifestyle by tracking your sleep patterns and encouraging movement.

Versatile Compatibility Compatible with Android, iOS, and MIUI, this watch seamlessly integrates with your smartphone for seamless data sync and app access.

Precision GPS Tracking Equipped with GPS, the watch provides precise timing and pacing for outdoor runs, making it ideal for marathon training and competitions.

Robust Waterproof Design Designed for outdoor activities, the watch's 50m water resistance allows for swimming and other water sports without worry.