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Wellue O2Ring

Best pulse oximeter for overnight monitoring

#pulse oximeter

Wellue O2Ring Oxygen Monitor

🩺 Description

The Wellue O2Ring is a wearable oxygen monitor designed for continuous overnight tracking of oxygen saturation (SpO2) and heart rate. Unlike traditional fingertip pulse oximeters, the O2Ring is worn comfortably around the finger like a ring, making it ideal for sleep monitoring and people at risk for nocturnal hypoxemia. It features automatic data recording, vibration alerts for low oxygen, and a companion app to review trends and export reports.


🔑 Key Features

  • Continuous SpO2 and heart rate tracking for up to 16 hours
  • Vibration alert for low oxygen saturation
  • Auto-syncs with smartphone app via Bluetooth
  • Comfortable ring-style design for overnight wear

💵 Price

Approximate Price: $169–$199


🔗 Where to Buy

Check Price on Amazon (affiliate)


✅ Pros

  • Designed specifically for overnight use
  • Vibration alerts help detect desaturation events in real-time
  • Easy-to-use mobile app with PDF report export

❌ Cons

  • Not designed for daytime spot checks
  • Requires charging between uses

👤 Ideal For

People with COPD, sleep apnea, or other respiratory conditions who need overnight oxygen monitoring—especially useful for those on supplemental oxygen or evaluating the effectiveness of therapy.


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