Where can I find the serial number of my Polar device?

Polar A300 Polar Loop 2, Polar Loop Crystal, Polar Loop (Misty Blue)
Polar A360/A370 Polar Loop (Smoky Black and Blackcurrant)
Polar M400/M430 Polar V800
Polar M600 Polar M200
Polar M450/M460 Polar OH1 optical heart rate sensor
Polar H10 heart rate sensor Polar H7 heart rate sensor
Polar H6 heart rate sensor Polar H1, H2 and H3 heart rate sensors
Polar CadenceSensor Bluetooth® Smart Polar Speed Sensor Bluetooth® Smart
Polar Stride Sensor Bluetooth® Smart Polar Balance
Polar V650

Open the back cover to find the serial number.

Polar Vantage V Polar Vantage M
Polar Ignite

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