OxyCare O2Ring User manual

O2Ring
Wearable Oxygen Monitor
User Manual
1. Introduction
1.1.Intended use
This product is intended to be used for measuring,
displaying and storing of pulse oxygen saturation
(SpO2), pulse rate of adults in home or healthcare
facilities environment for sleep or daily use.
Notice: This product is intended for general
wellness use. It should not be used to directly
diagnose or treat any medical condition.
1.2.Warnings and Cautions
DO NOT squeeze the sensor part or apply
excessive force on it.
Do not use this device during MRI examination.
Do not use this device with a defibrillator.
Do not store the device in the following
locations: locations in which the device is
exposed to direct sunlight, high temperatures or
levels of moisture, or heavy contamination;
locations near to sources of water or fire; or
locations that are subject to strong
electromagnetic influences.
Do not use the device in a combustible
environment.
Never submerge the device in water or other
liquids.
Do not clean the device with acetone or
other volatile solutions.
Do not drop this device or subject it to
strong impact.
The device and accessories are provided
non-sterile.
Do not place this device in pressure vessels
or gas sterilization device.
Do not dismantle the device, as this could
cause damage or malfunctions or impede
the operation of the device.
Consult your doctor immediately if you
experience symptoms that could indicate
acute disease.
Do not self-diagnose or self-medicate on
the basis of this device without consulting
your doctor. In particular, do not start
taking any new medication or change the
type and/or dosage of any existing medication
without prior approval.
Use only cables, sensors and other accessories
specified in this manual.
Prolonged continuous monitoring may
increase the risk of undesirable changes in skin
characteristics, such as irritation, reddening,
blistering or burns.
Do not open the device cover without
authorization. The cover should only be opened
by a qualified service personnel.
1.3.Guide to Symbols
Symbol Description
Manufacturer
Date of manufacture
SN Serial number
Indicates a medical device that
is not to be disposed of as
unsorted municipal waste.
Follow Instructions for Use.
Type BF Applied Part
No alarm system
MRI unsafe. Presents hazards in
all MR environments as device
contains strongly ferromagnetic
materials.
IP22 Resistant to liquid ingress
CE marking
Authorized representative in
the European community
UKCA marking
Authorized Representative in
the United Kingdom
This product complies with the
rules and regulations of the
Federal Communication
Commission.
Non-ionizing radiation
1.4.Unpacking
Device
User Manual
Data/Charging Cable
2. Overview
3. Using the Device
3.1.Charging
Charge the battery before using.
Connect the device to computer USB or USB
charging adapter with USB cable.
After fully charged, the device will power off
automatically.
3.2.POWER ON/OFF
POWER ON:
Wear the device, it will turn on automatically.
POWER OFF:
The device turns off automatically in a moment
after you take it off.
3.3.Typical steps
1.START. Charge the battery. Wear the device to
power on.
2.S TO P. Take off the device, the recording will be
over after the countdown.
3.DATA SYNC. After the
countdown, run App to sync
data. OR next time after you
turn on the device, run App to
sync.
3.4.Start working
1) Wear the device on thumb finger, index finger
TM

O2Ring
Wearable Oxygen Monitor
User Manual
1. Introduction
1.1.Intended use
This product is intended to be used for measuring,
displaying and storing of pulse oxygen saturation
(SpO2), pulse rate of adults in home or healthcare
facilities environment for sleep or daily use.
Notice: This product is intended for general
wellness use. It should not be used to directly
diagnose or treat any medical condition.
1.2.Warnings and Cautions
DO NOT squeeze the sensor part or apply
excessive force on it.
Do not use this device during MRI examination.
Do not use this device with a defibrillator.
Do not store the device in the following
locations: locations in which the device is
exposed to direct sunlight, high temperatures or
levels of moisture, or heavy contamination;
locations near to sources of water or fire; or
locations that are subject to strong
electromagnetic influences.
Do not use the device in a combustible
environment.
Never submerge the device in water or other
liquids.
Do not clean the device with acetone or
other volatile solutions.
Do not drop this device or subject it to
strong impact.
The device and accessories are provided
non-sterile.
Do not place this device in pressure vessels
or gas sterilization device.
Do not dismantle the device, as this could
cause damage or malfunctions or impede
the operation of the device.
Consult your doctor immediately if you
experience symptoms that could indicate
acute disease.
Do not self-diagnose or self-medicate on
the basis of this device without consulting
your doctor. In particular, do not start
taking any new medication or change the
type and/or dosage of any existing medication
without prior approval.
Use only cables, sensors and other accessories
specified in this manual.
Prolonged continuous monitoring may
increase the risk of undesirable changes in skin
characteristics, such as irritation, reddening,
blistering or burns.
Do not open the device cover without
authorization. The cover should only be opened
by a qualified service personnel.
1.3.Guide to Symbols
Symbol Description
Manufacturer
Date of manufacture
SN Serial number
Indicates a medical device that
is not to be disposed of as
unsorted municipal waste.
Follow Instructions for Use.
Type BF Applied Part
No alarm system
MRI unsafe. Presents hazards in
all MR environments as device
contains strongly ferromagnetic
materials.
IP22 Resistant to liquid ingress
CE marking
Authorized representative in
the European community
UKCA marking
Authorized Representative in
the United Kingdom
This product complies with the
rules and regulations of the
Federal Communication
Commission.
Non-ionizing radiation
1.4.Unpacking
Device
User Manual
Data/Charging Cable
2. Overview
3. Using the Device
3.1.Charging
Charge the battery before using.
Connect the device to computer USB or USB
charging adapter with USB cable.
After fully charged, the device will power off
automatically.
3.2.POWER ON/OFF
POWER ON:
Wear the device, it will turn on automatically.
POWER OFF:
The device turns off automatically in a moment
after you take it off.
3.3.Typical steps
1.START. Charge the battery. Wear the device to
power on.
2.STO P. Take off the device, the recording will be
over after the countdown.
3.DATA SYNC. After the
countdown, run App to sync
data. OR next time after you
turn on the device, run App to
sync.
3.4.Start working
1) Wear the device on thumb finger, index finger
TM

O2Ring
Wearable Oxygen Monitor
User Manual
1. Introduction
1.1.Intended use
This product is intended to be used for measuring,
displaying and storing of pulse oxygen saturation
(SpO2), pulse rate of adults in home or healthcare
facilities environment for sleep or daily use.
Notice: This product is intended for general
wellness use. It should not be used to directly
diagnose or treat any medical condition.
1.2.Warnings and Cautions
DO NOT squeeze the sensor part or apply
excessive force on it.
Do not use this device during MRI examination.
Do not use this device with a defibrillator.
Do not store the device in the following
locations: locations in which the device is
exposed to direct sunlight, high temperatures or
levels of moisture, or heavy contamination;
locations near to sources of water or fire; or
locations that are subject to strong
electromagnetic influences.
Do not use the device in a combustible
environment.
Never submerge the device in water or other
liquids.
Do not clean the device with acetone or
other volatile solutions.
Do not drop this device or subject it to
strong impact.
The device and accessories are provided
non-sterile.
Do not place this device in pressure vessels
or gas sterilization device.
Do not dismantle the device, as this could
cause damage or malfunctions or impede
the operation of the device.
Consult your doctor immediately if you
experience symptoms that could indicate
acute disease.
Do not self-diagnose or self-medicate on
the basis of this device without consulting
your doctor. In particular, do not start
taking any new medication or change the
type and/or dosage of any existing medication
without prior approval.
Use only cables, sensors and other accessories
specified in this manual.
Prolonged continuous monitoring may
increase the risk of undesirable changes in skin
characteristics, such as irritation, reddening,
blistering or burns.
Do not open the device cover without
authorization. The cover should only be opened
by a qualified service personnel.
1.3.Guide to Symbols
Symbol Description
Manufacturer
Date of manufacture
SN Serial number
Indicates a medical device that
is not to be disposed of as
unsorted municipal waste.
Follow Instructions for Use.
Type BF Applied Part
No alarm system
MRI unsafe. Presents hazards in
all MR environments as device
contains strongly ferromagnetic
materials.
IP22 Resistant to liquid ingress
CE marking
Authorized representative in
the European community
UKCA marking
Authorized Representative in
the United Kingdom
This product complies with the
rules and regulations of the
Federal Communication
Commission.
Non-ionizing radiation
1.4.Unpacking
Device
User Manual
Data/Charging Cable
2. Overview
3. Using the Device
3.1.Charging
Charge the battery before using.
Connect the device to computer USB or USB
charging adapter with USB cable.
After fully charged, the device will power off
automatically.
3.2.POWER ON/OFF
POWER ON:
Wear the device, it will turn on automatically.
POWER OFF:
The device turns off automatically in a moment
after you take it off.
3.3.Typical steps
1.START. Charge the battery. Wear the device to
power on.
2.STOP. Take off the device, the recording will be
over after the countdown.
3.DATA SYNC. After the
countdown, run App to sync
data. OR next time after you
turn on the device, run App to
sync.
3.4.Start working
1) Wear the device on thumb finger, index finger
TM

O2Ring
Wearable Oxygen Monitor
User Manual
1. Introduction
1.1.Intended use
This product is intended to be used for measuring,
displaying and storing of pulse oxygen saturation
(SpO2), pulse rate of adults in home or healthcare
facilities environment for sleep or daily use.
Notice: This product is intended for general
wellness use. It should not be used to directly
diagnose or treat any medical condition.
1.2.Warnings and Cautions
DO NOT squeeze the sensor part or apply
excessive force on it.
Do not use this device during MRI examination.
Do not use this device with a defibrillator.
Do not store the device in the following
locations: locations in which the device is
exposed to direct sunlight, high temperatures or
levels of moisture, or heavy contamination;
locations near to sources of water or fire; or
locations that are subject to strong
electromagnetic influences.
Do not use the device in a combustible
environment.
Never submerge the device in water or other
liquids.
Do not clean the device with acetone or
other volatile solutions.
Do not drop this device or subject it to
strong impact.
The device and accessories are provided
non-sterile.
Do not place this device in pressure vessels
or gas sterilization device.
Do not dismantle the device, as this could
cause damage or malfunctions or impede
the operation of the device.
Consult your doctor immediately if you
experience symptoms that could indicate
acute disease.
Do not self-diagnose or self-medicate on
the basis of this device without consulting
your doctor. In particular, do not start
taking any new medication or change the
type and/or dosage of any existing medication
without prior approval.
Use only cables, sensors and other accessories
specified in this manual.
Prolonged continuous monitoring may
increase the risk of undesirable changes in skin
characteristics, such as irritation, reddening,
blistering or burns.
Do not open the device cover without
authorization. The cover should only be opened
by a qualified service personnel.
1.3.Guide to Symbols
Symbol Description
Manufacturer
Date of manufacture
SN Serial number
Indicates a medical device that
is not to be disposed of as
unsorted municipal waste.
Follow Instructions for Use.
Type BF Applied Part
No alarm system
MRI unsafe. Presents hazards in
all MR environments as device
contains strongly ferromagnetic
materials.
IP22 Resistant to liquid ingress
CE marking
Authorized representative in
the European community
UKCA marking
Authorized Representative in
the United Kingdom
This product complies with the
rules and regulations of the
Federal Communication
Commission.
Non-ionizing radiation
1.4.Unpacking
Device
User Manual
Data/Charging Cable
2. Overview
3. Using the Device
3.1.Charging
Charge the battery before using.
Connect the device to computer USB or USB
charging adapter with USB cable.
After fully charged, the device will power off
automatically.
3.2.POWER ON/OFF
POWER ON:
Wear the device, it will turn on automatically.
POWER OFF:
The device turns off automatically in a moment
after you take it off.
3.3.Typical steps
1.START. Charge the battery. Wear the device to
power on.
2.S TO P. Take off the device, the recording will be
over after the countdown.
3.DATA SYNC. After the
countdown, run App to sync
data. OR next time after you
turn on the device, run App to
sync.
3.4.Start working
1) Wear the device on thumb finger, index finger
TM

as option in case of too tight for thumb. Try to
move the device along the forefinger to find out a
best fit. Avoid being loose. Loose wearing causes
inaccurate measure.
2) Device will turn on automatically. After a few
seconds, the device will begin to monitor.
Notice:
Keep snug enough, loose wearing may cause
inaccurate readings.
DO NOT use middle finger; if too tight for
thumb or forefinger, try little finger.
If the working time is less than 2 minute,
the data will not be saved.
Please avoid excessive motion.
Please avoid strong ambient light condition.
3.5.Stop working & sync data
Take off the device, the countdown
will begin.
(If the working time is less than 2
minute, there will be no countdown)
During the countdown, if you wear
the device again, the record will be resumed.
After the countdown, the data will have been
saved in device and ready to sync.
Sync data:
After the countdown, run App to sync data;
OR next time after you turn on the device, run
App to sync.
Notice: The built-in memory can store 4 sessions.
The oldest will be overwritten by the 5th. Please
sync data to your phone in time.
3.6.Screen Wake up
The screen will go off automatically for saving
power in Standard Mode; you can touch the key
on top to wake up the screen.
3.7.How to Check Battery
Touch the key on top, you can switch display
between readings and battery.
3.8.Unavailable Symbol
When this symbol displays on device screen, it
indicates the readings is
unavailable right now.
It may caused by:
Excessive movement;
Poor signal, finger is too cold;
Usually, the readings will recover in a few seconds
when at rest.
3.9.Download App
App name: ViHealth
iOS: App Store
Android: Google Play
Compatibility
The device is compatible with iOS versions 9.0+
and Android versions 5.0+.
Please Refer the ViHealth app manual for more
details.
3.10.Bluetooth Connection
The device Bluetooth will be enabled
automatically after it’s turned on.
To establish a Bluetooth connection,
1) Keep the device Bluetooth enabled.
2) Make sure the phone Bluetooth is enabled.
3) Run the App.
Notice: DO NOT PAIR in the settings of your smart
device.
4. PC software
PC Software: O2 Insight Pro
Download from: www.getwellue.com
Enter top menu: Support->PC Software.
Install the software on Windows(win 7/8/10) or
MacOS(10.13 or above).
Install the software on PC:
1) Turn on device, connect the device to PC USB
port with the supplied Data Cable (it’s
different from universal USB cable)
2) Run the PC software, click the Download
button to download data from the device.
With the PC software, you can view and print
sleep report, which can also be exported as PDF or
CSV files.
Note: while the device is being connected to app,
it can’t connect to PC software.
5. Maintenance
5.1.Time & Date
After connection with App, device time will sync
from your phone time automatically.
5.2.Cleaning
Use a soft cloth moistened with water or alcohol
to clean the device surface.
6. Troubleshooting
Problem
Possible Cause
Possible Solution
Device does
not turn on
or no
response
Battery may be
low.
Charge battery and
try again.
Device might be
damaged.
Please contact your
local distributor.
Software
exception
Keep device in
charging, touch the
key for 8 seconds.
The app
cannot find
the device
The Bluetooth of
your phone is off.
Turn on the
Bluetooth in the
phone.
The device
Bluetooth is off.
Turn on device
For Android,
Bluetooth cannot
work without
location
permission
Allow location
access
Only one
Light
Emitter on
the ring
turns red.
This is normal,
the O2Ring only
has one light
e m i tt e r.
No need to worry
about it.
For more information about O2RIng, please visit:
https://getwellue.com/pages/faqs
7. Specifications
Environmental
Operating
Storage
Temperature
5 to 40°C
-25 to 70°C
Relative humidity
(non-condensing)
10% to 95% 10% to 95%
Barometric 700 to 1060hPa 700 to
1060hPa
Protection against
electric shock
Internally powered equipment
Degree protection
against electrical
shock
Type BF
Electro-magnetic
Group I, Class B
Degree of dust &
water resistance
IP22
Weight
15 g
Size
38×30×38 mm
Battery 3.7Vdc, Rechargeable
Lithium-polymer
Charge time
2-3 hours
Battery life
12-16 hours for typical use
Wireless
Bluetooth 4.0 BLE
Oxygen level range
70% to 99%
SpO2 Accuracy
(Arms)
80-99%:±2%, 70-79%:±3%
Pulse Rate range
30 to 250 bpm
Pulse Rate accuracy ±2 bpm or ±2%, whichever is
greater
Vibration source
low oxygen level;
high/low pulse rate
Recorded
parameters
Oxygen level, Pulse Rate, motion
Data storage 4 sessions, up to 10 hours for
each
Mobile App for iOS iOS 9.0 or above,
iPhone 4s/ iPad 3 or above
Mobile App for
android
Android 5.0 or above,
with Bluetooth 4.0 BLE
Shenzhen Viatom Technology Co., Ltd
4E, Building 3, Tingwei Industrial Park, No.6
Liufang Road, Block 67, Xin'an Street, Baoan
District, Shenzhen,
518101, Guangdong, China
www.viatomtech.com
MedNet EC-REP GmbH
Borkstrasse 10, 48163 Muenster, Germany
Tel:[phone]
Fax:[phone]
Email:[e-mail]
MediMap Ltd
2 The Drift, Thurston, Suffolk IP31 3RT, United
Kingdom
Tel:[phone]
Fax:[phone]
Email:[e-mail]
Product name: Pulse Oximeter Model: PO2
Version: B Date: Nov. 19, 2021 SN: 255-04064-CE

as option in case of too tight for thumb. Try to
move the device along the forefinger to find out a
best fit. Avoid being loose. Loose wearing causes
inaccurate measure.
2) Device will turn on automatically. After a few
seconds, the device will begin to monitor.
Notice:
Keep snug enough, loose wearing may cause
inaccurate readings.
DO NOT use middle finger; if too tight for
thumb or forefinger, try little finger.
If the working time is less than 2 minute,
the data will not be saved.
Please avoid excessive motion.
Please avoid strong ambient light condition.
3.5.Stop working & sync data
Take off the device, the countdown
will begin.
(If the working time is less than 2
minute, there will be no countdown)
During the countdown, if you wear
the device again, the record will be resumed.
After the countdown, the data will have been
saved in device and ready to sync.
Sync data:
After the countdown, run App to sync data;
OR next time after you turn on the device, run
App to sync.
Notice: The built-in memory can store 4 sessions.
The oldest will be overwritten by the 5th. Please
sync data to your phone in time.
3.6.Screen Wake up
The screen will go off automatically for saving
power in Standard Mode; you can touch the key
on top to wake up the screen.
3.7.How to Check Battery
Touch the key on top, you can switch display
between readings and battery.
3.8.Unavailable Symbol
When this symbol displays on device screen, it
indicates the readings is
unavailable right now.
It may caused by:
Excessive movement;
Poor signal, finger is too cold;
Usually, the readings will recover in a few seconds
when at rest.
3.9.Download App
App name: ViHealth
iOS: App Store
Android: Google Play
Compatibility
The device is compatible with iOS versions 9.0+
and Android versions 5.0+.
Please Refer the ViHealth app manual for more
details.
3.10.Bluetooth Connection
The device Bluetooth will be enabled
automatically after it’s turned on.
To establish a Bluetooth connection,
1) Keep the device Bluetooth enabled.
2) Make sure the phone Bluetooth is enabled.
3) Run the App.
Notice: DO NOT PAIR in the settings of your smart
device.
4. PC software
PC Software: O2 Insight Pro
Download from: www.getwellue.com
Enter top menu: Support->PC Software.
Install the software on Windows(win 7/8/10) or
MacOS(10.13 or above).
Install the software on PC:
1) Turn on device, connect the device to PC USB
port with the supplied Data Cable (it’s
different from universal USB cable)
2) Run the PC software, click the Download
button to download data from the device.
With the PC software, you can view and print
sleep report, which can also be exported as PDF or
CSV files.
Note: while the device is being connected to app,
it can’t connect to PC software.
5. Maintenance
5.1.Time & Date
After connection with App, device time will sync
from your phone time automatically.
5.2.Cleaning
Use a soft cloth moistened with water or alcohol
to clean the device surface.
6. Troubleshooting
Problem
Possible Cause
Possible Solution
Device does
not turn on
or no
response
Battery may be
low.
Charge battery and
try again.
Device might be
damaged.
Please contact your
local distributor.
Software
exception
Keep device in
charging, touch the
key for 8 seconds.
The app
cannot find
the device
The Bluetooth of
your phone is off.
Turn on the
Bluetooth in the
phone.
The device
Bluetooth is off.
Turn on device
For Android,
Bluetooth cannot
work without
location
permission
Allow location
access
Only one
Light
Emitter on
the ring
turns red.
This is normal,
the O2Ring only
has one light
e m i tt e r.
No need to worry
about it.
For more information about O2RIng, please visit:
https://getwellue.com/pages/faqs
7. Specifications
Environmental
Operating
Storage
Temperature
5 to 40°C
-25 to 70°C
Relative humidity
(non-condensing)
10% to 95% 10% to 95%
Barometric 700 to 1060hPa 700 to
1060hPa
Protection against
electric shock
Internally powered equipment
Degree protection
against electrical
shock
Type BF
Electro-magnetic
Group I, Class B
Degree of dust &
water resistance
IP22
Weight
15 g
Size
38×30×38 mm
Battery 3.7Vdc, Rechargeable
Lithium-polymer
Charge time
2-3 hours
Battery life
12-16 hours for typical use
Wireless
Bluetooth 4.0 BLE
Oxygen level range
70% to 99%
SpO2 Accuracy
(Arms)
80-99%:±2%, 70-79%:±3%
Pulse Rate range
30 to 250 bpm
Pulse Rate accuracy ±2 bpm or ±2%, whichever is
greater
Vibration source
low oxygen level;
high/low pulse rate
Recorded
parameters
Oxygen level, Pulse Rate, motion
Data storage 4 sessions, up to 10 hours for
each
Mobile App for iOS iOS 9.0 or above,
iPhone 4s/ iPad 3 or above
Mobile App for
android
Android 5.0 or above,
with Bluetooth 4.0 BLE
Shenzhen Viatom Technology Co., Ltd
4E, Building 3, Tingwei Industrial Park, No.6
Liufang Road, Block 67, Xin'an Street, Baoan
District, Shenzhen,
518101, Guangdong, China
www.viatomtech.com
MedNet EC-REP GmbH
Borkstrasse 10, 48163 Muenster, Germany
Tel:[phone]
Fax:[phone]
Email:[e-mail]
MediMap Ltd
2 The Drift, Thurston, Suffolk IP31 3RT, United
Kingdom
Tel:[phone]
Fax:[phone]
Email:[e-mail]
Product name: Pulse Oximeter Model: PO2
Version: B Date: Nov. 19, 2021 SN: 255-04064-CE

as option in case of too tight for thumb. Try to
move the device along the forefinger to find out a
best fit. Avoid being loose. Loose wearing causes
inaccurate measure.
2) Device will turn on automatically. After a few
seconds, the device will begin to monitor.
Notice:
Keep snug enough, loose wearing may cause
inaccurate readings.
DO NOT use middle finger; if too tight for
thumb or forefinger, try little finger.
If the working time is less than 2 minute,
the data will not be saved.
Please avoid excessive motion.
Please avoid strong ambient light condition.
3.5.Stop working & sync data
Take off the device, the countdown
will begin.
(If the working time is less than 2
minute, there will be no countdown)
During the countdown, if you wear
the device again, the record will be resumed.
After the countdown, the data will have been
saved in device and ready to sync.
Sync data:
After the countdown, run App to sync data;
OR next time after you turn on the device, run
App to sync.
Notice: The built-in memory can store 4 sessions.
The oldest will be overwritten by the 5th. Please
sync data to your phone in time.
3.6.Screen Wake up
The screen will go off automatically for saving
power in Standard Mode; you can touch the key
on top to wake up the screen.
3.7.How to Check Battery
Touch the key on top, you can switch display
between readings and battery.
3.8.Unavailable Symbol
When this symbol displays on device screen, it
indicates the readings is
unavailable right now.
It may caused by:
Excessive movement;
Poor signal, finger is too cold;
Usually, the readings will recover in a few seconds
when at rest.
3.9.Download App
App name: ViHealth
iOS: App Store
Android: Google Play
Compatibility
The device is compatible with iOS versions 9.0+
and Android versions 5.0+.
Please Refer the ViHealth app manual for more
details.
3.10.Bluetooth Connection
The device Bluetooth will be enabled
automatically after it’s turned on.
To establish a Bluetooth connection,
1) Keep the device Bluetooth enabled.
2) Make sure the phone Bluetooth is enabled.
3) Run the App.
Notice: DO NOT PAIR in the settings of your smart
device.
4. PC software
PC Software: O2 Insight Pro
Download from: www.getwellue.com
Enter top menu: Support->PC Software.
Install the software on Windows(win 7/8/10) or
MacOS(10.13 or above).
Install the software on PC:
1) Turn on device, connect the device to PC USB
port with the supplied Data Cable (it’s
different from universal USB cable)
2) Run the PC software, click the Download
button to download data from the device.
With the PC software, you can view and print
sleep report, which can also be exported as PDF or
CSV files.
Note: while the device is being connected to app,
it can’t connect to PC software.
5. Maintenance
5.1.Time & Date
After connection with App, device time will sync
from your phone time automatically.
5.2.Cleaning
Use a soft cloth moistened with water or alcohol
to clean the device surface.
6. Troubleshooting
Problem
Possible Cause
Possible Solution
Device does
not turn on
or no
response
Battery may be
low.
Charge battery and
try again.
Device might be
damaged.
Please contact your
local distributor.
Software
exception
Keep device in
charging, touch the
key for 8 seconds.
The app
cannot find
the device
The Bluetooth of
your phone is off.
Turn on the
Bluetooth in the
phone.
The device
Bluetooth is off.
Turn on device
For Android,
Bluetooth cannot
work without
location
permission
Allow location
access
Only one
Light
Emitter on
the ring
turns red.
This is normal,
the O2Ring only
has one light
e m i tt e r.
No need to worry
about it.
For more information about O2RIng, please visit:
https://getwellue.com/pages/faqs
7. Specifications
Environmental
Operating
Storage
Temperature
5 to 40°C
-25 to 70°C
Relative humidity
(non-condensing)
10% to 95% 10% to 95%
Barometric 700 to 1060hPa 700 to
1060hPa
Protection against
electric shock
Internally powered equipment
Degree protection
against electrical
shock
Type BF
Electro-magnetic
Group I, Class B
Degree of dust &
water resistance
IP22
Weight
15 g
Size
38×30×38 mm
Battery 3.7Vdc, Rechargeable
Lithium-polymer
Charge time
2-3 hours
Battery life
12-16 hours for typical use
Wireless
Bluetooth 4.0 BLE
Oxygen level range
70% to 99%
SpO2 Accuracy
(Arms)
80-99%:±2%, 70-79%:±3%
Pulse Rate range
30 to 250 bpm
Pulse Rate accuracy ±2 bpm or ±2%, whichever is
greater
Vibration source
low oxygen level;
high/low pulse rate
Recorded
parameters
Oxygen level, Pulse Rate, motion
Data storage 4 sessions, up to 10 hours for
each
Mobile App for iOS iOS 9.0 or above,
iPhone 4s/ iPad 3 or above
Mobile App for
android
Android 5.0 or above,
with Bluetooth 4.0 BLE
Shenzhen Viatom Technology Co., Ltd
4E, Building 3, Tingwei Industrial Park, No.6
Liufang Road, Block 67, Xin'an Street, Baoan
District, Shenzhen,
518101, Guangdong, China
www.viatomtech.com
MedNet EC-REP GmbH
Borkstrasse 10, 48163 Muenster, Germany
Tel:[phone]
Fax:[phone]
Email:[e-mail]
MediMap Ltd
2 The Drift, Thurston, Suffolk IP31 3RT, United
Kingdom
Tel:[phone]
Fax:[phone]
Email:[e-mail]
Product name: Pulse Oximeter Model: PO2
Version: B Date: Nov. 19, 2021 SN: 255-04064-CE

as option in case of too tight for thumb. Try to
move the device along the forefinger to find out a
best fit. Avoid being loose. Loose wearing causes
inaccurate measure.
2) Device will turn on automatically. After a few
seconds, the device will begin to monitor.
Notice:
Keep snug enough, loose wearing may cause
inaccurate readings.
DO NOT use middle finger; if too tight for
thumb or forefinger, try little finger.
If the working time is less than 2 minute,
the data will not be saved.
Please avoid excessive motion.
Please avoid strong ambient light condition.
3.5.Stop working & sync data
Take off the device, the countdown
will begin.
(If the working time is less than 2
minute, there will be no countdown)
During the countdown, if you wear
the device again, the record will be resumed.
After the countdown, the data will have been
saved in device and ready to sync.
Sync data:
After the countdown, run App to sync data;
OR next time after you turn on the device, run
App to sync.
Notice: The built-in memory can store 4 sessions.
The oldest will be overwritten by the 5th. Please
sync data to your phone in time.
3.6.Screen Wake up
The screen will go off automatically for saving
power in Standard Mode; you can touch the key
on top to wake up the screen.
3.7.How to Check Battery
Touch the key on top, you can switch display
between readings and battery.
3.8.Unavailable Symbol
When this symbol displays on device screen, it
indicates the readings is
unavailable right now.
It may caused by:
Excessive movement;
Poor signal, finger is too cold;
Usually, the readings will recover in a few seconds
when at rest.
3.9.Download App
App name: ViHealth
iOS: App Store
Android: Google Play
Compatibility
The device is compatible with iOS versions 9.0+
and Android versions 5.0+.
Please Refer the ViHealth app manual for more
details.
3.10.Bluetooth Connection
The device Bluetooth will be enabled
automatically after it’s turned on.
To establish a Bluetooth connection,
1) Keep the device Bluetooth enabled.
2) Make sure the phone Bluetooth is enabled.
3) Run the App.
Notice: DO NOT PAIR in the settings of your smart
device.
4. PC software
PC Software: O2 Insight Pro
Download from: www.getwellue.com
Enter top menu: Support->PC Software.
Install the software on Windows(win 7/8/10) or
MacOS(10.13 or above).
Install the software on PC:
1) Turn on device, connect the device to PC USB
port with the supplied Data Cable (it’s
different from universal USB cable)
2) Run the PC software, click the Download
button to download data from the device.
With the PC software, you can view and print
sleep report, which can also be exported as PDF or
CSV files.
Note: while the device is being connected to app,
it can’t connect to PC software.
5. Maintenance
5.1.Time & Date
After connection with App, device time will sync
from your phone time automatically.
5.2.Cleaning
Use a soft cloth moistened with water or alcohol
to clean the device surface.
6. Troubleshooting
Problem
Possible Cause
Possible Solution
Device does
not turn on
or no
response
Battery may be
low.
Charge battery and
try again.
Device might be
damaged.
Please contact your
local distributor.
Software
exception
Keep device in
charging, touch the
key for 8 seconds.
The app
cannot find
the device
The Bluetooth of
your phone is off.
Turn on the
Bluetooth in the
phone.
The device
Bluetooth is off.
Turn on device
For Android,
Bluetooth cannot
work without
location
permission
Allow location
access
Only one
Light
Emitter on
the ring
turns red.
This is normal,
the O2Ring only
has one light
e m i tt e r.
No need to worry
about it.
For more information about O2RIng, please visit:
https://getwellue.com/pages/faqs
7. Specifications
Environmental
Operating
Storage
Temperature
5 to 40°C
-25 to 70°C
Relative humidity
(non-condensing)
10% to 95% 10% to 95%
Barometric 700 to 1060hPa 700 to
1060hPa
Protection against
electric shock
Internally powered equipment
Degree protection
against electrical
shock
Type BF
Electro-magnetic
Group I, Class B
Degree of dust &
water resistance
IP22
Weight
15 g
Size
38×30×38 mm
Battery 3.7Vdc, Rechargeable
Lithium-polymer
Charge time
2-3 hours
Battery life
12-16 hours for typical use
Wireless
Bluetooth 4.0 BLE
Oxygen level range
70% to 99%
SpO2 Accuracy
(Arms)
80-99%:±2%, 70-79%:±3%
Pulse Rate range
30 to 250 bpm
Pulse Rate accuracy ±2 bpm or ±2%, whichever is
greater
Vibration source
low oxygen level;
high/low pulse rate
Recorded
parameters
Oxygen level, Pulse Rate, motion
Data storage 4 sessions, up to 10 hours for
each
Mobile App for iOS iOS 9.0 or above,
iPhone 4s/ iPad 3 or above
Mobile App for
android
Android 5.0 or above,
with Bluetooth 4.0 BLE
Shenzhen Viatom Technology Co., Ltd
4E, Building 3, Tingwei Industrial Park, No.6
Liufang Road, Block 67, Xin'an Street, Baoan
District, Shenzhen,
518101, Guangdong, China
www.viatomtech.com
MedNet EC-REP GmbH
Borkstrasse 10, 48163 Muenster, Germany
Tel:[phone]
Fax:[phone]
Email:[e-mail]
MediMap Ltd
2 The Drift, Thurston, Suffolk IP31 3RT, United
Kingdom
Tel:[phone]
Fax:[phone]
Email:[e-mail]
Product name: Pulse Oximeter Model: PO2
Version: B Date: Nov. 19, 2021 SN: 255-04064-CE