Belifu Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor with Heart Rate and Accurate Fast Spo2 Reading Oxygen Meter for Pediatric and Adult

• ACCURATE & RELIABLE - Using the most advanced MCU chip and optical sensor, blood oxygen signal is collected by photoelectric sensing principle. Accurate and reliable in professional tests, measures quickly to show pulse rate and SpO2 blood oxygen saturation of arterial hemoglobin levels.
• SPORT & AVIATION USE - The pulse monitor is suitable for sports enthusiasts like mountain climbers, skiers, bikers, runners or anyone interested in measuring their normal oxygen level and pulse rate.
• CONVENIENT FEATURES - Show your pulse, PI, blood perfusion index, pulse width height indicator bar, pulse waveform, sleep data recording, data analysis, battery remaining capacity warning, automatic shutdown, etc.
• ADJUSTABLE BRIGHTNESS - The large LED display makes it more convenient to test different fingers for you to read. Long-press the button to select a brightness level ranging from 1 to 3. The greater the value, the greater brightness of the display.
• USER FRIENDLY - Simple operating instructions; one-button touch settings. Recommended use for all ages from children to adults.