Oxygen Finger monitor
-Steady and decent design
-Dual color OLED display with various display modes
-Low power consumption, can be used for long time
-Low power indication
-Automatic power-off no later than 8 seconds after no signal
-Optional function: Automatic power-on after 5 seconds when the product detects the signal
-Display modes will change along with the movement of hands.
-Optional function: PI value which is used to reflect the situation of pulsation flow.