NEW OLED Finger Tip Pulse Oximeter Blood Oxygen Saturation SpO2 PR Monitor Meter
£14.39
(SpO2 error is ±4%, pulse rate error is ±2 bpm or ±2%, whichever is greater. 2) SpO2 and Pulse Rate display,Pulse Rate waveform and bar graph display. 4) The display mode can be changed. 5) Screen brightness adjustable.
