SpO2 sensor on the back of Galaxy S10 series : r/galaxys10
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
Hands On With the Samsung Galaxy S10 5G's Live Focus Video | PCMag