mibest OLED Finger Pulse Oximeter, O2 Meter, Dual Color White/Silver

ACCURATE AND RELIABLE: MIBEST oxygen meter finger pulse oximeter accurately determine your SpO2 in 10 seconds and can read and display up to 100% on a larger OLED display.
LUXURY AND CONVENIENT: Our accurate dual color oximeter displays SpO2 in 4 directions, 6 display modes, and 10 levels of adjustable brightness. Comes with a battery-low indicator. Suitable for all ages.
EASY TO USE: Our pulse monitor is easy to use and has an efficient One Button Operation. The SPO2 Sensor will spot check and display in real time SpO2, PR, Pulse bar graph which great for checking your pulse signal strength.