Wellue Pulse Oximeter Fingertip, Blood Oxygen Saturation Monitor with Built-in Memory, Beep reminder, OLED screen, Batteries and Lanyard Tools & Home Improvement Rated for 8+ hours of

Rated for 8+ hours of continuous use

Its easy-on

You only need to install some large components like the mainframe

In order to offer better kitchenware

Wellue Pulse Oximeter Fingertip, Blood Oxygen Saturation Monitor with Built-in Memory, Beep reminder, OLED screen, Batteries and Lanyard Tools & Home Improvement Rated for 8+ hours ofAbout This ACCURATE & RELIABLE: Plethysmograph wavefom provides a visual representation of heartbeat and the amount of blood flowing through the blood vessels; perfusion Index corresponds to pulse strength; both of them help determine the accuray of readings BUILT IN MEMORY: Store up to 12 sets of O2 level and Pulse Rate on the device; Quickly view your last 12 times historical data with one click on finger pulse oximeter SPOT CHECK MODE: After 30s of