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Michael Sawh

Polar H9 heart rate monitor review: A great budget fitness accessory for iPhone and Apple Watch

Polar Mike Sawh
Polar H9 and strap.

The Polar H9 is Polar’s cheapest heart rate monitor chest strap and uses an ECG sensor like its pricier H10 monitor to promise accurate heart rate data during workouts. The H9 connects over Bluetooth to the Apple Watch and is powered by a coin cell battery that will cover 400 hours of training time.

Polar H9: Price and availability

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