The lightweight and discreet Colmi R02 smart ring combines everyday wear with health and sports insights: it offers heart rate monitoring, SpO2, automatic sleep tracking, and 21 sports modes. Thanks to Bluetooth 5.0 and the QRing app, you can easily sync your data, IP68 provides resistance for normal contact with water, and the charging case together with a 6–7 day battery life makes daily use more convenient.
The Colmi R02 smart ring in size 11 is an ideal choice for those who want to keep health and sports data with them at all times without having to wear a watch. Thanks to its minimalist design, it’s comfortable for all-day wear while continuously collecting important information about your body.
Health and recovery without worries
The ring automatically tracks key metrics to help you better understand your fitness and recovery. Data is stored in the ring’s memory and then synced to the QRing app.
- Heart rate – continuous monitoring for better insight into exertion and rest
- Blood oxygen saturation (SpO2) – check your body’s oxygenation
- Automatic sleep analysis – detects sleep stages and total rest time
Sports modes and daily activity
Whether you train regularly or just want to move more, the Colmi R02 offers 21 sports modes and records important data to help you stay motivated.
- tracking of activity, distance, calories, and active time
- stable and power-efficient connection via Bluetooth 5.0
- charging case for easy charging and safe storage
- IP68 resistance for everyday use (e.g., hand washing, workouts)
Specifications
- Manufacturer
- COLMI
- Model
- R02
- Size
- 11
- Inner diameter
- 20.3 mm
- Circumference
- 64.6 mm
- Color
- black
- Outer material
- titanium alloy
- Inner material
- hypoallergenic resin
- Thickness
- 2.7 mm
- Weight
- approx. 4.7 g
- Health and monitoring functions
- heart rate measurement, blood oxygen saturation (SpO2) measurement, sleep monitoring, activity monitoring, activity level monitoring
- Sports modes
- 21
- Recorded data
- activity time, distance, calories, heart rate
- Connectivity
- Bluetooth 5.0
- App
- QRing
- Compatibility
- Android 4.4 and newer, iOS 8.0 and newer, Harmony OS
- Charging case
- yes (charging and storage)
- Water resistance
- IP68
