finger pulse oximeter heart rate O2 saturation

OLED Finger Pulse Oximeter SpO2 Blood Oxygen Saturation Pulse Monitor FDA Approved Features:- Scope of application: ward monitoring, family health care, patient testing, outpatient  care.- Monitor the SpO2 and pulse rate for your family members any time to know their health. Provide the best considerate care for them.- Simply place your finger inside the chamber of the machine, press the operating button, then wait. Within seconds, you’ll have an accurate reading of your SpO2 levels and pulse rate.- Principle of the pulse oximeter is as follows: photoelectric oxyhemoglobin Inspection technology is adopted in accordance with capacity pulse scanning & recording technology,the pulse oximeter can be used in measuring the pulse oxygen saturation and pulse rate through the finger, but dont depend on it if you have blue lips , please seek help  Specifications:Pulse rate range: 30-250bpmRange of blood oxygen: 0-100%needs 2 AAA batteries {included}one Finger Pulse Oximeterone ManualNotes:1. Manual measuring, please allow 1- 3mm error 2.make sure your finger is warm

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