The Colmi R02 is a slim, discreet smart ring that tracks your sleep, heart rate and activity, with no screen and no subscription.
All your data is available in the free QRing app: an affordable alternative to premium smart rings.
Key features
- Sleep, heart rate, HRV and SpO2 tracking
- Activity tracking (steps, calories) and cycle reminders
- Free QRing app (iOS and Android), Bluetooth 5.2 Low Energy
- About 5 days of battery with typical use, up to 15 days standby
- 15 mAh battery (18 mAh from size 10), dock charging
- 5 ATM water resistance for daily wear (avoid hot water and saunas)
- About 3.6 g (size 7); US sizes 7 to 12
In the box
- Colmi R02 smart ring
- Charging dock
- Charging cable
- User manual
Measure your finger before ordering (US size). Data is provided for general wellness only and is not a substitute for medical advice.
Shipping: ships from our warehouse in Quebec, 10 to 15 business days.
