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iHealth Wireless Pulse Oximeter - oxygen saturation, pulse rate, perfusion index

Know your oxygen flow

The Wireless Pulse Oximeter is a great and reliable way to spot-check your blood oxygen saturation (SpO2) and pulse rate whether you're are hiking high elevations or training for a marathon.

iHealth Wireless Pulse Oximeter - oxygen saturation, pulse rate, perfusion index

Get feedback instantly

Track and view your blood oxygen level readings instantly on the device LCD display and through the iHealth MyVitals app from your smartphone.

iHealth Wireless Pulse Oximeter - oxygen saturation, pulse rate, perfusion index

Understand how your body works

This pulse oximeter is great for athletes or anyone who want to gain a much greater understanding of how their bodies work, both during normal recreation and high-impact sports. Do take note that this is not a medical device and is not intended to diagnose or test for medical conditions.

Measure. Track. Share.

Managing your health just got a lot more interesting. The free iHealth MyVitals app automatically keeps a history of your data on your Apple device and gives you the option to share your information with a family member, doctor or caregiver.

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Free Health App - iHealth Wireless Pulse Oximeter - oxygen saturation, pulse rate, perfusion index

Technical Specs

Wireless Pulse Oximeter

  • Model: PO3
  • Classification: Internally powered, type BF
  • Wireless communication: Bluetooth 4.0 BLE
  • Display system: LED


  • Machine size: 62mm x 33mm x 28mm 



  • Powre: Battery, 3.7V li-ion, 300 mAh

Range & Battery

  • SpO2 measuring range: 70-99%
  • SpO2 accuracy: 70-99%,±2%; <70%, no definition
  • Pulse rate measuring range: 30-250bpm
  • Pulse rate accuracy: ±2bpm or ±2% larger one

Operation & Storage

  • Operating temperature: 5°C-40°C
  • Operating humidity: <80%
  • Storage and transport temperature: -20°C-55°C
  • Storage and transport humidity: <95%

What's included

  • 1 Wireless Pulse Oximeter
  • 1 Lanyard
  • 1 User Manual
  • 1 Quick Start Guide
  • 1 USB charging cable

Frequently Asked Questions

How does the iHealth Wireless Pulse Oximeter work?

The iHealth Pulse Oximeter (PO3) measures the amount of oxygen in your blood and your pulse rate. The oximeter works by shining two light beams into the small blood vessels or capillaries of your finger, reflecting the amount of oxygen in the blood and displaying the measurement on the oximeter’s screen. The oxygen saturation (SpO2) is measured as a percentage of full capacity.

What is oxygen saturation (SpO2)? What is the normal range for SpO2??

Oxygen saturation (SpO2) is a measurement of how much oxygen your blood is carrying as a percentage of the maximum it could carry. For a healthy individual, the normal SpO2 should be between 96% to 99%. High altitudes and other factors may affect what is considered normal for a given individual. 

What is considered the normal range for pulse rate? What are some factors that can influence pulse rate?

The normal resting pulse rate is between 60 and 100 beats per minute.

Many factors can influence pulse rate, including but not limited to physical activities, fitness level, emotional state, body weight, medications and body position. 

What type of conditions may affect my SpO2 reading?

Cold hands, weak pulse, hand movements, fingernail polish and acrylic nails are some of the most common factors that may affect a reading and cause inaccurate results. 

Can SpO2 be used overnight?

The iHealth Pulse Oximeter is designed for spot checks. Currently it does not support continuous measurements.     

Still not finding an answer?

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