Oxygen Monitor
Always on, always accurate, giving you peace of mind.
KidsO2™ For Smaller Fingers: Adults and Kids
Compare Features. Pick with Confidence.
Wearing Style
Ring
Ring
Ring
Device & App Vibration Trigger
SpO2, HR
SpO2, HR
SpO2, HR
Alert Type
Vibration
Vibration
Vibration
Battery Life
Up to 24 Hours
Up to 16 Hours
Up to 16 Hours
PC Software
Yes
Yes
Report Metrics
<90% Time,
Drops over>4%,
Drops per Hour, Avg. Lowest SpO2,HR,O2 Score
Same as left
Same as left
Historical Trends in App
O2 Score, Drops,Lowest SpO2,HR
Same as left
Same as left
App Data Update Interval
1S
4S
4S
Apple Health
Yes
Yes
Yes
Wearing Style
Wrist-Worn
Wrist-Worn
Device & App Vibration Trigger
SpO2, Heart Rate
SpO2, Heart Rate
Alert Type
Vibration
Vibration & Buzzing
Battery Life
Up to 16 Hours
Up to 72 Hours
PC Software
Yes
Yes
Report Metrics
<90% Time,Drops over>4%,Drops per Hour, Avg. Lowest SpO2,HR,O2 Score
Same as left
Historical Trends in App
O2 Score, Drops,Lowest SpO2,HR
Same as left
App Data Update Interval
4S
2S
Apple Health
Yes
Yes
Compare Features. Pick with Confidence.
Wearing Style
Ring
Ring
Ring
Vibration Trigger (Device)
SpO2, Heart Rate
SpO2, Heart Rate
SpO2, Heart Rate
Vibration Trigger (App)
SpO2, Heart Rate
SpO2, Heart Rate
SpO2, Heart Rate
Alert Type
Vibration
Vibration
Vibration
Battery Life
Up to 16 Hours
Up to 24 Hours
Up to 16 Hours
PC Software
Yes
Yes
Yes
Report Metrics
<90% Time,Drops over>4%,Drops per Hour, Avg. Lowest SpO2,HR,O2 Score
Same as left
Historical Trends in App
O2 Score, Drops, Lowest SpO2, HR
Same as left
App Data Update Interval
4s
1s
4s
Apple Health
Yes
Yes
Yes
Wearing Style
Wrist-Worn
Wrist-Worn
Vibration Trigger (Device)
SpO2
SpO2, Heart Rate
Vibration Trigger (App)
SpO2
SpO2, Heart Rate
Alert Type
Vibration
Vibration & Buzzing
Battery Life
Up to 16 Hours
Up to 72 Hours
PC Software
Yes
Yes
Report Metrics
<90% Time,Drops over>4%,Drops per Hour, Avg. Lowest SpO2,HR,O2 Score
Same as left
Historical Trends in App
O2 Score, Drops, Lowest SpO2, HR
Same as left
App Data Update Interval
4s
2s
Apple Health
Yes
Yes
Why Choose Wellue for Oxygen Monitoring?
Medical-Grade Accuracy
Managing sleep apnea, COPD, or altitude? Precision matters — that's why Wellue uses transmission-based pulse oximetry, the same technology trusted in hospital monitors.

Track Oxygen Levels Continuously Overnight
Automatically track your oxygen levels, pulse rate, and movement throughout the night, with a detailed report ready when you wake up.
Low Oxygen Alerts with Event Tagging
Set your low oxygen threshold and get alerted instantly. Each drop is automatically saved so you can track, review, and share with your doctor.

Trusted by Pros




What Our Customers Are Saying
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Wearing Style
Wrist-Worn
Ring
Wrist-Worn
Device & App Vibration Trigger
SpO2
SpO2, Heart Rate
SpO2, Heart Rate
Alert Type
Vibration
Vibration
Vibration & Buzzing
Battery Life
Up to 16 Hours
Up to 16 Hours
Up to 72 Hours
PC Software
Yes
Yes
Report Metrics
<90% Time,Drops over>4%,Drops per Hour, Avg. Lowest SpO2,HR,O2 Score
Same as left
Same as left
Historical Trends in App
O2 Score, Drops,Lowest SpO2,HR
Same as left
Same as left
App Data Update Interval
4S
4S
2S
Apple Health
Yes
Yes
Yes
Why Choose Wellue for Oxygen Monitoring?
Medical-Grade Accuracy
Managing sleep apnea, COPD, or altitude? Precision matters — that's why Wellue uses transmission-based pulse oximetry, the same technology trusted in hospital monitors.

Track Oxygen Levels
Continuously Overnight
Automatically track your oxygen levels, pulse rate,
and movement throughout the night, with a detailed report ready when you wake up.
Low Oxygen Alerts with
Event Tagging
Set your low oxygen threshold and get alerted instantly. Each drop is automatically saved so you can track, review, and share with your doctor.

Trusted by Pros


























