Yes, when using the device for the first time, it requires a blood pressure calibration in order to effectively be able to use the Blood Pressure and SpO₂ features.
It is recommended to perform the calibration in the device section of the Vyvo Smart application, entering the measurements of a conventional Blood Pressure measurement instrument, in order to obtain more accurate results when using the Vyvo device.
It is highly recommended to calibrate your device once a month.
