Features 1. Easy to use. Light weight, only 45g, easy to carry and accommodates wide range of finger sizes. USB charging is also very convenient.
Rechargeable Fingertip Pulse Oximeter LED Display Blood Oxygen Monitor Lanyard
Digital Rechargeable Fingertip Pulse Oximeter SpO2 Blood Oxygen Monitor
Rechargeable Fingertip Pulse Oximeter with LED Display, Medical Blood Oxygen Mon
Rechargeable Fingertip Pulse Oximeter Blood Oxygen Monitor Battery Powered
Rechargeable Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor LE Display