... the functions of auscultation,ECG collection,SpO2 and PR inspection. The product is applicable for family, hospital, private Clinique, ... ECG waveform, heart rate,SpO2 ,pulse rate ,pulse waveform 3.Earphone output and 16 steps volume adjustable4.Alarm for SpO2 and pulse rate exceeding limits5.Real- ... change.A USB data line, to connect with PCAn oximeter probe (optional, BF applied part )ecg cablesA CD ...