All of our products are labeled with a serial number. The serial number will be printed on the product itself and will not be anywhere on You can find QardioArm's serial number on: 1) the enclosure of the device, lifting the cuff on the side of the Qardio logo, as shown
Polar A300, Polar Loop 2, Polar Loop Crystal, Polar Loop (Misty Blue). Polar A360, Polar Loop (Smoky Black and Blackcurrant). Polar M400, Polar V800. The serial number is a unique sequence of numbers and/or letters which is used to Your product serial number can be found in one of the following places:.