OLED Finger Fingertip Pulse Oximeter Blood Oxygen SpO2 Monitor

Features:Two parameter: SPO2, pulse rateFour direction adjustableSmall in volume, light in weight and convenient to carryOLED display: easy to operateLow voltage indicatorAutomatically power off in 8 seconds when there is no signalLow-power consumption continuously work for 40 hours Description:1. Display Type: OLED display2. SPO2: Measurement: 70%~99% Accuracy: 2% on the stage of 70%~90% unspecified(