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Best Choice New Polar H10 Heart Rate Monitor - ANT + , Bluetooth - Waterproof HR Sensor with Chest Strap - Built-in memory, Software upd High Accuracy: Widely recognized for its top precision by many sources, Polar H10 is the most accurate heart rate sensorNew Polar Vantage M - Advanced GPS HRM Sports Watch for Men and Women - Running and Multisport Training with Wrist-based Hea ULTRA-LONG BATTERY LIFE: Up to 30 hours of training time with GPS active, the durable and waterproof all-in-one Polar vaNew Polar M430 - Exclusive to Amazon - GPS sports watch for running - wrist heart rate tracker, 24/7 activity and sleep trac Optical wrist heart rate measurementBest Value New Polar Ignite - Fitness Watch with Advanced Wrist-Based Optical Heart Rate Monitor, Training Guide, GPS, Waterproof BECOME YOUR TRUE POTENTIAL: Polar Ignite, a sports smartwatch for women and men who want to push their limits the rightNew Polar Unite - Fitness Watch, 24/7 Activity Tracker, Automatic Sleep Tracking, Connected GPS, Smart Daily Workout Guidanc Personalized Guidance: FitSpark daily training guide offers you easy, ready-made workout suggestions that match your cur19% Off New Polar Pacer - Running Smart Watch for men and women, GPS Multi Sport Watch, Gym Exercise Watch, Wrist Heart Rate Monitor Polar Pacer smart watches give runners (beginners and not only) all the essentials, plus a few extras to RUN better. TimNew Polar Vantage V with H10 – Premium GPS HRM Sports Watch for Men and Women with Ultra-Long Battery Life - Multisport and Wrist based running power: Boost the efficiency and precision of your training with running power no additional sensorsNew Polar Vantage V3, Sport Watch with GPS, Advanced Heart Rate Monitor, and Extended Battery Life, Smart watch for men and The sharpest AMOLED touchscreen display. A bright, large display for seeing all your data and metrics—with customizableNew Polar Ignite 2 - GPS Fitness watch for women - Sports Smart watch for men, Heart Rate Monitor, Activity Tracker for Fitn Create the lifestyle that gives you confidence with the help of our waterproof sport smart watches for ladies and men. WNew ProDive Batery Kit for Polar FT4 FT7 Heart Rate Monitor Sports Watch, Replacemen Service Spare Set Battery kit with Panasonic CR1632 High Capacity Lithium Battery