The black smart ring " COLMi R12", size 7, with an inner diameter of 17.9 mm and an LED display, monitors heart rate, blood oxygen, sleep and activity. It supports sports tracking, gesture control, is water resistant up to 1 ATM and works up to 3-5 days with the included charging base.
The black smart ring " COLMi R12", size 7, with an inner diameter of 17.9 mm and an LED display, monitors heart rate, blood oxygen, sleep and activity. It supports sports tracking, gesture control, is water resistant up to 1 ATM and works up to 3-5 days with the included charging base.





The black smart ring " COLMi R12", size 7, with an inner diameter of 17.9 mm and an LED display, monitors heart rate, blood oxygen, sleep and activity. It supports sports tracking, gesture control, is water resistant up to 1 ATM and works up to 3-5 days with the included charging base.
Guarantee
24 month
Delivery from Europe in
15 - 16
business days
Black smart ring COLMi R12, size 7, with 17.9 mm inner diameter, LED display and heart rate, blood oxygen, sleep and activity monitoring functions. Supports sports tracking, gesture control, water resistance up to 1ATM and works up to 3-5 days with the included charging base.
Product information | |
|---|---|
| Product type | Smart ring |
| Brand | COLMi |
| Model | R12 |
| Size | 7 |
| Inner diameter | 17.9mm |
| Color | Black |
| Weight | 4.7 grams |
Technical specifications | |
| Materials | Stainless steel and epoxy resin |
| Processor | REALTEK RTL8762E |
| Memory | 512Kb ROM |
| Heart rate sensor | Vcare VC30F |
| Motion sensor | ST LI2DOC G-sensor |
| Connection | Bluetooth 5.0 |
| Compatible operating systems | Android 4.4 or later, iOS 8.0 or later, and HarmonyOS |
| App | QRing |
| Firmware updates | OTA updates |
Display and features | |
| Information displayed | Time, steps, heart rate and battery level |
| Health indicators | Heart rate, blood oxygen saturation (SpO), sleep, stress, HRV, calories, distance and activity |
| Sports tracking | Walking, running, cycling, swimming and other training modes |
| Smartphone control | Gesture control for media, short videos, e-books, and remote photography |
| Additional features | Prayer or repetition counting, ring search, games, adjustable screen settings, low battery alerts, and app statistics |
Power and charging | |
| Battery type | Rechargeable lithium polymer battery |
| Battery capacity | 15mAh |
| Charging method | Charging base with USB-C cable |
| Charging time | Approximately 1 hour |
| Charging cycles | More than 300 cycles |
Complete set | |
| Included |
|
Safety information | |
| Safety warning | Use the ring only for its intended purpose. The device is not a medical device and its measurements are intended for general well-being and activity monitoring only. Respect the 1ATM water resistance limits and make sure the ring and charging contacts are dry before charging. |
| Height | 50mm |
| Length | 50mm |
| Weight | 10 grams |
| Width | 50mm |