Colmi R02 Smart Ring, size 11, 20.3 mm (black) + charging case
11, BlackMore than 10 pieces in stock at third-party supplier
Colour2
Size2
Product details
The COLMI R02 Smart Ring in size 11 (20.3 mm) is an innovative wearable that combines health monitoring and sports functions in a compact design. Weighing only 4.7 g and with a thickness of 2.7 mm, this ring is lightweight and comfortable to wear, ensuring it doesn't interfere with daily life. It continuously measures heart rate and blood oxygen levels (SpO2) and analyzes sleep as well as daily activity across 21 different sports modes. Thanks to Bluetooth 5.0 technology, the ring easily connects with the QRing app to store data and synchronize later. The IP68 water resistance ensures that the ring can be worn during outdoor activities, while the included charging case allows for usage of up to 6-7 days on a single charge. The COLMI R02 Smart Ring is therefore an ideal choice for anyone looking to keep track of their health without sacrificing comfort.
- Lightweight and discreet design for maximum wearing comfort
- Continuous monitoring of heart rate and blood oxygen
- 21 sports modes for accurate activity tracking
- IP68 water resistance for versatile use.
Colour | Black |
ring size | 11 |
Health functions | Oxygen saturation, Sleep recording |
Weight | 4.70 g |
Item number | 70038610 |
Manufacturer | Colmi |
Category | Smart rings |
Manufacturer No. | R02 Black 11 (case) |
Release date | 4.5.2026 |
Colour | Black |
Exact colour description | Black |
ring size | 11 |
Health functions | Oxygen saturation, Sleep recording |
Sensors | Heart rate monitor |
Connectivity | Bluetooth |
Durability | Waterproof |
Protection type (IP code) | IP68 |
Power supply | Rechargeable battery operated |
Country of origin | China |
CO₂ emissions | 0.33 kg |
Climate contribution | CHF 0.11 |
Scope of delivery | Charging case |
Weight | 4.70 g |
Diameter | 20.30 mm |

