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Colmi

R02

Highly supported No-vendor pair

Not yet released

Support for this gadget has been added to Gadgetbridge's codebase, but is not yet released. It is already available in the nightly releases.

Support for this line of cheap smart rings was added with pull request #3896. The official app for this hardware, QRing, supports many other cheap smart rings as well. Those are expected to be supported by Gadgetbridge as well, so if you come across one, please let us know.

Other hardware with the same name

There have been reports online of Colmi R02/R03/R06 rings with different hardware and a different companion app. Those rings are not supported by Gadgetbridge. This support only applies to rings supported by QRing.

Tested with firmware version: 3.00.06.

Features supported by Gadgetbridge:

  • Battery level
  • Device configuration
    • HR measurement interval
    • Stress measurement toggle
    • SpO2 measurement toggle
  • Synchronize, persist and display historical data
    • Steps
    • Heart rate
    • Sleep
    • SpO2
    • Stress level
  • Find device (turn on green LED for 10 seconds)
  • Power off device
  • Manual one-off HR measurement

Currently missing features:

  • Firmware upgrade
  • Camera shutter gesture
  • Firmware 3.00.10 features
    • HRV measurements
    • REM sleep data

R03

Highly supported No-vendor pair

This device has the same hardware as the Colmi R02. so those details also apply to this one.

R06

Highly supported No-vendor pair

This device has the same hardware as the Colmi R02. so those details also apply to this one.

Newer firmware available

Availability of new firmware version 3.00.10 for the R06 has been reported online, supporting REM sleep and HRV measurements. Support for these new features has not been added to Gadgetbridge yet.