Amazon.com: LPOW Fingertip Pulse Oximeter, Blood Oxygen Saturation Monitor ( SpO2) with Pulse Rate, Perfusion Index with Alarm, OLED Display, Batteries and Lanyard Included : Health & Household
Finger Pulse Fingertip Oled Oximeter SPO2 PR PI RR Blood Oxygen With Respiratory Rate Oximetro De Pulsioximetro Dedo with case - AliExpress