COLMI R02 Smart Ring
Product Information
Specifications
- Sensor: Blood oxygen red light, Heart rate green light
- Charging port: Located on the ring
- Wearing Options: Index finger, middle finger, ring finger
Product Usage Instructions
Power On
Connect the charging cable to the ring to boot up the device.
Connection
Search and download the app “QRing” from the APP Store or Google Play. Open the app and pair the ring with your device.
Charging Reminder
The red light will flash during charging, and the green light will flash after it is fully charged.
Fully Charge
Ensure the ring is fully charged before use for optimal performance.
Wearing Method
Wear the ring on your suitable finger (index, middle, or ring finger) for better data monitoring. Make sure it fits comfortably and snugly.
HR, SPO2 Sensor
For accurate heart rate and blood oxygen measurement, position the sensor on the inside of your fingers when wearing the ring.
Note
Before use, read and follow all precautions for optimal performance. Choose a suitable size, keep the contact area dry, and consult a doctor if any adverse reactions occur.
Secure
Keep the charging cable and device in a dry environment while charging. Avoid contact with liquids and do not disassemble or modify the battery to prevent damage.
FAQ
- Q: What should I do if I experience redness or swelling while wearing the ring?
A: Stop using immediately and consult a doctor. - Q: Can I wear the ring while swimming?
A: It is not recommended to immerse the ring in water. Keep it dry to prevent damage.
Overview And Packaging
Ring, charging cable, and quick guide.
Power On
Connect the charging cable to the ring to boot up the device
Connection
Search and download the app, open and pair rings
Charging Reminder
The red light will flash when it’s charging, and the green light will flash after fully charged.
Wearing Method
Wear the ring on your suitable finger and choose a comfortable size. Suggest wear it on the index finger, middle finger, and ring finger for better monitoring of data.
Note Before using and operating the device, please read and follow the following precautions to ensure optimal device performance and avoid dangerous or illegal situations.
In daily use, please choose a suitable size for your fingers, avoid wearing it too tightly, keep the dry contact area of the ring, and wipe it in time when it comes into water. If symptoms such as redness and swelling appear in the contact area, please stop using it immediately and consult the doctor.
Secure
- Please keep the charging cable and device in a dry environment when charging. Do not touch the charging cable with wet hands and avoid it being immersed in liquids such as water.
- Do not disassemble or modify the battery, insert foreign objects, or immerse it in water or other liquids to avoid causing battery leakage, overheating, fire, or explosion.
- Do not drop, squeeze, or puncture the battery. Avoid the battery causing the big external pressure, which can cause internal short circuits and overheating issues.
FCC Statement
This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, under part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used by the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and the receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
The device has been evaluated to meet general RF exposure requirements. The device can be used in portable exposure conditions without restriction.
Documents / Resources
 | R02 Smart Ring |
 | R02 Smart Ring |
 | R02 Smart Ring |
 | R02 Smart Ring |
 | R02 Smart Ring |
 | R02 Smart Ring |
References
- User Manualmanual.tools
My ring suddenly will not pair with my phone
Why will my COLMI R02 Smart Ring not pair with my phone?
If your COLMI R02 Smart Ring is failing to pair, please follow these troubleshooting steps based on the user manual:
If the ring still does not appear in the app, try restarting both your phone and the QRing application.
Note: Disclose uncertainty if the ring has suffered any water immersion or physical damage, as the manual warns against battery leakage or internal short circuits if the device is punctured or improperly handled.
Read the full Q&A page
파란불깜빡임. 무슨뜻인가요
What does a flashing blue light mean?
The provided manual for the COLMI R02 Smart Ring does not mention a blue light indicator. It only describes the following light statuses:
Red light flashing: The ring is charging.
Green light flashing: The ring is fully charged.
Green light flashing: The ring is performing a heart rate test.
Red light flashing: The ring is performing a blood oxygen test.
If you are seeing a flashing blue light, it is possible that this indicates a different status not covered in the provided manual, or it could be a different model or version of the product. Please refer to the product's packaging or contact COLMI customer support for further clarification.
Read the full Q&A page
Como puedo exportar los datos? Un archivo csv, PDF?
How can I export data from the COLMI R02 Smart Ring as a CSV or PDF file?
The provided manual for the COLMI R02 Smart Ring does not explicitly mention a direct data export feature to CSV or PDF formats. The manual focuses on health data viewing, sleep monitoring, and exercise recording within the QRing, H Ring, or SmartHealth apps (depending on your specific version's QR code).
To check for export options:
If the app does not have a native export button, most users take screenshots of the data summaries to save as images or PDFs. For official CSV support, you may need to check if the app integrates with Google Fit or Apple Health, which sometimes allow for broader data management.
Read the full Q&A page