Introducing the AOJ-70A Fingertip Pulse Oximeter – your trusty companion for accurate and immediate oxygen saturation (SpO2), pulse rate, and perfusion index readings. With its crystal-clear HD OLED screen, not only do you receive readings with precision, but you can also view them from multiple angles, ensuring no more awkward twisting or straining. Engineered with inclusivity in mind, this pulse oximeter has undergone rigorous clinical trials and is proven to be scientifically accurate across a wide spectrum of skin tones. It guarantees reliable measurements every time, regardless of your skin's pigmentation. Boasting three crucial functionalities in one compact device, the AOJ-70A measures your SpO2 levels, pulse rate, and the perfusion index. It is equipped with a unique reminder function that immediately alerts users when measurements are outside the typical range - if SpO2 falls below 94% or if the pulse rate is lower than 50bpm or exceeds 130bpm. This alert mechanism ensures you're always informed about potential health concerns. Weighing next to nothing and designed for ultimate portability, this device is perfect for both everyday use and travel. Its auto power-off feature ensures battery longevity, and with the built-in battery indicator, you'll always know when it's time for a recharge or battery change. Ensure your health is always in check with the AOJ-70A Fingertip Pulse Oximeter. Whether you're monitoring oxygen levels post-exercise, during illness, or just for peace of mind, this device is your go-to for fast, reliable readings on the go.