Origin China. Highly concerned chem None.
GIMA OXY-3 PULSE OXIMETER, portable finger pulse oximeter, detects oxygen levels
Medical Portable Finger Pulse Oximeter Blood Oxygen OXIMETER
Portable Finger Pulse Oximeter - 1 Piece - Easy-to-Use & Read Display, Accurate Blood Oxygen & Pulse Rate Monitor
Portable Finger Pulse Oximeter with HD LCD – One-Button SpO2 & Heart Rate Monitor for Home, Sports & Health Tracking | Compact Fingertip Oxygen Meter with Low Battery Indicator & Carry Case
Portable Finger Pulse Oximeter with Display Measures Heart Rate
Portable Finger Pulse Oximeter Blood Oxygen Saturation Meter Heart Rate Monitor
