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Polar A370 | Часы фитнес-трекер с пульсометром | Polar Россия
Polar A370 Medium/Large | 21RUN
Polar A370 Fitness Tracker with 24/7 Wrist Based Heart Rate, GPS via phone (90064905) + Bluetooth Digital Body Mass Bathroom Scale + Fusion Bluetooth Headphones Black/Red + 1 Year Extended Warranty - Walmart.com
3 Ways to Use Polar A370 as a Heart Rate Sensor | Polar Blog