We at Best buy,thank you in anticipation of your purchase of the upper arm digital blood pressure monitor.B03 is a blood pressure monitor that has been developed for easy and accurate blood pressure measurements for the upper arm.the measuring accuracy of B03 was tested at the time of manufacture and was proven by the clinical research in accordance with
Blood pressure measurement obtained with this unit are equivalent to those obtained by a trained person using the scuff/stethoscope ausculation method.Within the limits prescribed by the American National Standard,electronic,or automated sphygmomanometers.