OLED Fingertip Pulse Oximeter Oxygen SpO2 PR Heart Rate

Features: 1. Auto rotation in 4 direction, adjustable display. 2. Reliable accuracy and durability. 3. Two colors of OLED display, for more displaying modes 4. Low voltage indicator and low power consumption. 5. Automatic power off when no signal. 6. Small and light weight, convenient to carry. 7. Widely used in hospital, household health care, oxygen bar, community center, etc. Description: Display OLED SpO2 Measurement range: 36~99% Resolution: 1% Accuracy: 2% (70%~99%) unspecified (