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Polar A370 Waterproof Fitness Tracker With Heart Rate
Polar A370 Waterproof Fitness Tracker

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Our Price: $149.99

Product Code: 90071382

A370 Fitness Tracker Sizes :


Waterproof fitness tracker with continuous heart rate monitoring, Sleep Plus sleep tracking and Polar's trusted training features.


  • Wrist-Based Heart Rate
  • Continuous Heart Rate
  • Sleep Plus
  • GPS Via Mobile
  • Daily Activity Goal
  • Sports Profiles
  • Smart Calories
  • Vibrating Smart Notifications
  • Waterproof
  • Color, Black


Weight:31.7g (S), 37.3g (M/L)
Wristband thickness:13.5 mm
Wristband width:23.5 mm
Wristband material:Silicone
Wristband size:Small, fits small to medium sized wrists.


  • Waterproof (WR30)
  • Wide-viewing angle full color TFT display with capacitive touchscreen
  • Screen resolution 80 x 160 pixels (RGB)
  • Screen size 13mm x 27mm
  • Polar proprietary optical heart rate module (2 green LEDs, 1 photodiode, analog front-end)
  • Rechargeable 110 mAh battery
  • Battery life up to 4 days with 24/7 activity tracking, including 1 hour of training per day (without smart notifications in use) with continuous HR


  • Easy wireless sync via Bluetooth® Smart with the Polar Flow app
  • Micro USB connector for charging and data sync with PC or Mac via Polar FlowSync

Compatible With:

  • Computer running Mac OS X10.6 or later and Windows XP, 7, 8, 10
  • Mobile phones running iOS10 or later and Android 4.4 or later
  • Polar Balance smart scale
  • Polar H10 heart rate sensor
  • Apple Health Kit, Google Fit, MyFitnessPal and MapMyFitness

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