Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor, Heart Rate and Fast Spo2 Reading Oxygen Meter with OLED Screen with AAA Batteries
Amazon.com: AccuMed CMS-50D1 Fingertip Pulse Oximeter Blood Oxygen Sensor SpO2 for Sports and Aviation. Portable and Lightweight with LED Display, 2 AAA Batteries, Lanyard and Travel Case (White) : Health & Household
PARTNERS Pulse Oximeter with Lanyard and Battery Model- P-117 (Red) | Lazada PH