Fingertip OLED Pulse Oximeter Oxygen Saturation SpO₂ Heart Rate Monitor 331
Pay attention to distinguish positive and negative poles! It doesn’t fit finger if you wear wedding ring over size 10! Also if you have long nail will affect the result. Fingertip Pulse Oximeter: Dimension: 81mm*68mm*40mm Operating Environment: Temperature: 50°F-104°F Relative humidity: ≤75% Humidity: from 10% to 95% Atmospheric Pressure: 700hPa~1060hPa Package Includes: 1x Pulse Oximeter 1x Instruction 1x Lanyard 2x Battery (random brand) Feature: 1.Small in Size2.High Accuracy3.%SpO₂ & Pulse Rate Big LCD screen display for easy reading4.Easy to operate one-touch ON/OFF key5.Shield Design against ambient light6.Biocompatibility protection7.Pulse Strength Indication8.String-attached Economical & portable health management tool