Performing a Chest Measurement

For best results, sit comfortably and relax a minute before starting measurement.  Avoid lying down or standing up. Connect your Coala to the app via Bluetooth and press start. Gently but firmly place the Coala against your chest just to the left of the sternum and just above your nipple as shown below. It is important that the Coala is kept upright (with the text on the device facing your skin). Press the heart button with your index finger to start measuring. Gently hold the Coala and keep it steady, during the entire measuring process.

Try to relax, breathe normally and avoid talking while measuring to ensure the best measurement quality.

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