COLMI R02 is a lightweight, discreet smart ring for everyday wear, offering heart rate monitoring, SpO2, automatic sleep analysis, and activity tracking including 21 sport modes. Thanks to Bluetooth 5.0, it syncs with the QRing app, is water-resistant (IP68), and with the practical charging case it lasts about 6–7 days on a single charge.
Charging case and battery life up to 6–7 days
The package includes a practical charging case that also serves as storage. Simply place the ring into the cradle and charging starts via the contacts. On one charge, it offers approximately 6–7 days of operation.
Discreet design: light, thin, and comfortable
COLMI R02 is only 2.7 mm thick and weighs about 4.7 g, so it won’t get in the way when working on a PC, doing manual work, or exercising. Thanks to this, you can wear it continuously and get more complete data than with larger devices.
Health monitoring and sport modes
The ring automatically measures heart rate and SpO2, tracks sleep and daily activity. It also offers 21 sport modes and records metrics such as distance, calories, activity duration, and heart rate. Data syncs to the QRing app via Bluetooth 5.0.
Looking for a comfortable alternative to a smartwatch? The COLMI R02 smart ring in size 12 (inner diameter 21.3 mm) combines a modern look with accurate tracking of essential health and sports metrics. Thanks to its low weight and thin profile, it’s comfortable to wear day and night, giving you a continuous overview of your routine, activity, and rest.
The ring continuously tracks key indicators and stores measured data in the device memory, so you won’t lose records even without your phone. After connecting to the QRing app, you can easily view results and evaluate long-term trends.
Main benefits:
- Heart rate and blood oxygen saturation (SpO2) measured automatically in the background
- Automatic sleep tracking including phase detection
- 21 sport modes and activity logging (distance, calories, activity duration, heart rate)
- Bluetooth 5.0 for a stable connection and low power consumption
- IP68 water resistance for everyday use
- Charging case for convenient charging and safe storage
Specifications
- Manufacturer
- COLMI
- Model
- R02
- Size
- 12
- Inner diameter
- 21.3 mm
- Color
- black
- Outer material
- titanium alloy
- Inner material
- hypoallergenic resin
- Thickness
- 2.7 mm
- Weight
- approx. 4.7 g
- Health functions and monitoring
- Heart rate measurement, blood oxygen saturation (SpO2) measurement, sleep monitoring, activity monitoring, activity level monitoring
- Sport modes
- 21
- Recorded data
- Activity duration, distance, calories, heart rate
- Connectivity
- Bluetooth 5.0
- App
- QRing
- System compatibility
- Android 4.4 and newer, iOS 8.0 and newer, Harmony OS
- Charging case
- yes (charging and storage function)
- Water resistance
- IP68
