pulse oximeter is a non-invasive spot-check device for measuringthe pulse oxygen saturation and pulse rate, through which it can monitor the oxygensupply status of the body and prevent the daamer of hypoxia.nowadays, the pulse oximeter is widely used in home care, hospitals, clinics, healthcenters, oxygen bars, highland district, physical care in sports (it is recommended touse before or after sports) etc.features:light & fashion design, easy to use;humanized 4-direction reading & 6 display modes;display of spo2 value, pulse wave, pr & bar graph;simple menu setting with adjustable alarm;strong anti-interference, low perfusion ofs 0.3%;low power consumption, auto switch-off function;oem/odm projects welcome....