Pulse Oximeter on Samsung phones ( How to measure SPo2 levels and Heart-rate) - YouTube
How to measure blood oxygen saturation (SpO2) using a Galaxy device - SamMobile
Hands On With the Samsung Galaxy S10, S10+, and S10e | PCMag
Lepu Medical Grade Mini Fingertip Pulse Oximeter Blood Oxygen Meter Finger Oxygen Monitor for Kid Child Pediatric Adult Android iPhone Digital Portable Color OLED Oxygen Saturation Monitor PC60NW with Lanyard Wireless Bluetooth