Color OLED display, four direction adjustable. SpO2 and pulse monitoring, and Waveform display. Low-power consumption Finger oximeter with dual-color OLED display,SP02 Parameters:Two ... , Pulse rateWaveforms:SpO2 WaveformFeatures:Color OLED display, four direction adjustable.SpO2 and pulse monitoring, and Waveform display.Low-power consumption, continuously work for 50 ...