Oxygen Monitor for Small Fingers

Continuously Track Your Blood Oxygen Levels.

Fits Finger Circumference: 40 mm – 52 mm (1.57" – 2.05")

$149.00

Save 10% with code KIDS 

*This device is for General Wellness & Sports & Aviation use only and not intended for medical use. 

Wellue O2Ring Oxgyen Monitor Smart Ring Sleep Apnea Monitor

Oxygen Monitor for Small Fingers

Continuously Track Your Blood Oxygen Levels.

Fits Finger Circumference: 

40 mm – 52 mm (1.57" – 2.05")

$149.00

Save 10% with code KIDS 

*This device is for General Wellness & Sports & Aviation use only and not intended for medical use. 

Designed for Smaller Fingers

This ring is designed to provide a better, more secure fit for smaller finger sizes.

Audio Reminder

Audio reminder for low blood oxygen in mobile APP & device

Adjustable volume and threshold

Comfortable & Wearable

Easily wear on one finger

Convenience for everyday use

Real-time Tracking 

Continuously record oxygen levels and pulse rate every second

Free iOS/Android APP

Connect the device to the app via Bluetooth 4.0

Analyze oxygen saturation and pulse rate trends

Free PC Software

Free Mac App 

Share PDF/CSV analysis reports 

Rechargeable

Built-in rechargeable battery

14–16 hours of battery life

Built-in Memory

Work stand-alone, even without smartphone



Designed for Smaller Fingers, 

Anytime, Anywhere


This portable pulse oximeter is designed for people with smaller fingers, including adults with slim fingers and children.

It automatically tracks blood oxygen levels, pulse rate, and body movement every second, whether during sleep or daily activities, helping provide clear and continuous insight throughout the day and night.


KidsO2 uses the same transmissive oxymetry technology. 


*Not for sports.


Audio Reminder

To meet your prevention and children wellness control demandsWellue® KidsO2 is not only a child pulse oximeter, but also your parenting assistant, which prompts you with sounds when the blood oxygen level drops than the preset threshold. 


Easily turn on/off the reminder and adjust the audio volume for your mobile APP and the device separately. 


Designed for Smaller Fingers, Anytime, Anywhere



This portable pulse oximeter is designed for people with smaller fingers, including adults with slim fingers and children.

It automatically tracks blood oxygen levels, pulse rate, and body movement every second during sleep and daily activities, helping provide clear and continuous insight throughout the day and night.


KidsO2™ uses the same transmissive oxymetry technology. 


 *Not for sports.


Audio Reminder 

KidsO2 remind you when children oxygen level is low in APP dashboard and device

To meet your prevention and children wellness control demands, KidsO2™ is not only a child pulse oximeter, but also your parenting assistant, prompts with sounds when the blood oxygen level is lower than the preset threshold. 

Easily turn on/off the reminder and adjust the audio volume of your mobile APP and the device separately.

Audio Reminder 

Know Your Kid is OK 


To meet your prevention demands and health control, KidsO2 is your parenting assistant, prompts with sounds when the oxygen level is lower than the preset threshold.Easily turn on/off the reminder and adjust the audio volume on your mobile APP and the device separately. 


KidsO2 remind you for low oxygen level in APP

Keep You Informed

Connected via Bluetooth 4.0, your mobile is a smart health monitor, providing real-time data of blood oxygen, pulse rate and PI (Pulse Signal Index) detected from the child oxygen monitor. 

APP will remind you on the dashboard when the blood oxygen level is lower than the threshold, or the heart rate is too fast/slow (outside predetermined values).  

Set the Reminder to Fit You Best

In App-Settings, you can turn on/off the low-oxygen reminder switches for the device and smartphone separately.

 Adjust the volume and threshold via APP. 

set you own oxygen threshold in APP for KidsO2

Set the Reminder to Fit You Best

In App-Settings, you can turn on/off the low-oxygen reminder switches for the device and smartphone separately.

Adjust the volume & threshold via APP. 

KidsO2 provides history track in APP

Historical Trend Data

Get to know how long your blood oxygen saturation stays below 90%, how many times it drops over 4% and even the exact value. 

Smart ring better than Viatom slee



Intuitive Report 

Reveals Health Insights


Export or print oximetry reports from PC software, share unlimited PDF/CSV format reports to your doctor. 

CSV report of your child’s heart rate and O2 levels is helpful for deeper health study.

*Only work with Windows system, not compatible with Mac.



Best Wearable Experience
Specially Designed for Slim or Small Fingers

Medical-grade silicone combined with an adjustable-size design offers an ideal fit for individuals with slim or small fingers, ensuring optimal comfort and secure wear.


The soft-touch ring design blends form and function, remaining lightweight, flexible, and easy to wear throughout the day or night.

Continuous wrist oximeter better than nonin wristox2, nellcor, contec, beurer, lookee sleep monitor and masimo.

Wellue SleepU unique patented sensor

Traditional 

Duckbill Sensor

Patented 

Smart Ring

Sensor goes off easily

Never slips from finger

Finger cannot move freely

Completely free children's finger

Make finger feel numb

Comfortable and wearable

KidsO2 remind you when oxygen level is low

Keep You Informed 

Connected via Bluetooth 4.0, your mobile is a smart wellness monitor, providing real-time data of blood oxygen, pulse rate and PI (Pulse Signal Index) detected from the child oxygen monitor. 


APP will remind you on the dashboard when the blood oxygen level is lower than the threshold, or the heart rate is too fast/slow (outside predetermined values).

Adjust both volume and threshold easily

In App-Settings, you can turn on/off the low-oxygen reminder switches for the device and smartphone separately.

Adjust the volume and threshold via APP. 

set alarm reminder of KidsO2 in APP
KidsO2 provides history track in APP

Historical Trend Data

Get to know how long your blood oxygen saturation stays below 90%, how many times it drops over 4% and even the exact value. 

Best Wearable Experience
Specially Designed for Slim or Small Fingers

Medical-grade silicone combined with an adjustable-size design offers an ideal fit for individuals with slim or small fingers, ensuring optimal comfort and secure wear.


The soft-touch ring design blends form and function, remaining lightweight, flexible, and easy to wear throughout the day or night.

Wellue SleepU unique patented sensor

Traditional 

Duckbill Sensor

  • Sensor goes off easily

  • Finger cannot move freely

  • Makes the finger feel numb

Patented 

Smart Ring

  • Never slips from finger

  • Completely free the finger

  • Comfortable and wearable

Video

"When my son is asleep I just pop the ring on him and in the morning I have a full graphic report of what happened while he was asleep. I can also check in during the night for live stats on my phone or set the alarm to let me know oxygen levels have dropped via my phone or set a ring to trigger my son to move position to allow easier breathing. This product did a better job as easier for children to wear and cheaper too. In my view, every home with children should have this."

---Fiona M. , Dublin, Ireland

buy children oxygen monitor

Get Oxygen Monitoring Today

Monitor your blood oxygen, pulse rate and body movements coming with instant audio reminder. Cleverly designed ring makes testing a breeze. 


$149.00

See How Easy it is

See How Easy it is


1

Wear the Ring

For sleep and daily life

Convenience for everyday use

wellue o2ring ring pulse oximeter

2

Track in Real Time

Real-time tracking with low blood oxygen reminder

wellue o2ring ring pulse oximeter

3

Sync Data

Upload data to APP or PC software, easily share.

wellue o2ring ring pulse oximeter

What Our Customers Say?


Zhe

"I bought it for my kid, he's 8 years old...We bought a fingerstip one before, it slips off from his finger eaily, and it can't save history data, also can't alarm you when kid's O2 level goes down. Fortunately we found this one...

Kassondra

"Because my daughter's hands are so small, the typical home pulse-ox finger devices have a hard time reading. This ring goes on and and stays on all night...The most useful information for me is the reports I get...I can notice if there are any changes outside ”her” normal or acceptable parameters."

Joseph

"Works great to show pulse and heart rate especially great for car trips I can monitor my son without having to stop the car and get out, also I don't have to watch constantly as the alarm will sound on my phone if his O2 gets too low!"

John

"I found the app that works with the device very helpful in providing extensive data and charts. It keeps live recording for entire day...The threshold levels both on the device and on the app can be adjusted as desired for reminder."

Specifications

Click to Show More

WEIGHT

0.53 oz / 15g


DEVICE DIMENSIONS

1.5'' x 1.2'' x 1.5'' 


RING PERIMETER

1.7'' - 1.9''/ 42-49mm

*Can be worn on any finger


WIRELESS 

Bluetooth 4.0 BLE 


BATTERY LIFE

Rechargeable lithium-polymer, 3.7 Vdc; 14-16 hours for typical use

AUDIO REMINDER SOURCE

Low oxygen levels 


DEGREE OF DUST & WATER RESISTANCE 

IP24 


RECORDED PARAMETERS

Oxygen levels, pulse rate, motion 


COMPATIBLE COMPUTER SYSTEM

Windows 7/8/10;

macOS 10.15.3 or above


COMPATIBLE WITH

iOS 9.0 or above, iPhone 4s/iPad 3 or above; Android 5.0 or above, with Bluetooth 4.0 BLE

OXYGEN LEVEL RANGE

70%-99%


PULSE RATE RANGE

30 to 250 bpm


MEASURE INTERVAL

1 second 


DISPLAY INTERVAL IN APP DATA CHART

4 seconds


BUILT-IN MEMORY

4 sessions, up to 10 hours for each 



Specifications

WEIGHT

0.53 oz / 15g


DEVICE DIMENSIONS

1.5'' x 1.2'' x 1.5'' 


RING PERIMETER

1.7'' - 1.9''/ 42-49mm

*Can be worn on any finger


WIRELESS 

Bluetooth 4.0 BLE 


BATTERY LIFE

Rechargeable lithium-polymer, 3.7 Vdc; 14-16 hours for typical use

AUDIO REMINDER SOURCE

Low oxygen levels 


DEGREE OF DUST & WATER RESISTANCE 

IP24 


RECORDED PARAMETERS

Oxygen levels, pulse rate, motion 


COMPATIBLE COMPUTER SYSTEM

Windows 7/8/10;

macOS 10.15.3 or above


COMPATIBLE WITH

iOS 9.0 or above, iPhone 4s/iPad 3 or above; Android 5.0 or above, with Bluetooth 4.0 BLE

OXYGEN LEVEL RANGE

70%-99%


PULSE RATE RANGE

30 to 250 bpm


MEASURE INTERVAL

1 second 


DISPLAY INTERVAL IN APP DATA CHART

4 seconds


BUILT-IN MEMORY

4 sessions, up to 10 hours for each 



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