COLMi R12 smart ring, black, size 10, 20 mm inner diameter, with built-in LED display. It monitors heart rate, blood oxygen, sleep, steps and workouts, supports gesture control, is water resistant up to 1 ATM, and has a battery life of up to 5 days.
COLMi R12 smart ring, black, size 10, 20 mm inner diameter, with built-in LED display. It monitors heart rate, blood oxygen, sleep, steps and workouts, supports gesture control, is water resistant up to 1 ATM, and has a battery life of up to 5 days.





COLMi R12 smart ring, black, size 10, 20 mm inner diameter, with built-in LED display. It monitors heart rate, blood oxygen, sleep, steps and workouts, supports gesture control, is water resistant up to 1 ATM, and has a battery life of up to 5 days.
Guarantee
24 month
Delivery from Europe in
15 - 16
business days
Black smart ring COLMi R12, size 10, with an inner diameter of 20 mm, with an integrated LED display. Measures heart rate, blood oxygen saturation, monitors sleep, steps and workouts. The ring is controlled by gestures, is water resistant to 1ATM, and the battery lasts up to 5 days.
Product information | |
|---|---|
| Product type | Smart ring |
| Brand | COLMi |
| Model | R12 |
| Size | 10 |
| Inner diameter | 20 mm |
| Color | Black |
Design and display | |
| Screen | Integrated LED display showing time, steps, battery level and heart rate |
| Materials | Stainless steel and epoxy resin |
| Weight | 4.7 grams |
Technical information | |
| Chipset | Realtek RTL8762E |
| Heart rate sensor | Vcare VC30F |
| Motion sensor | ST LIS2DOC G-sensor |
| Bluetooth | Bluetooth 5.0 |
| Battery type | Rechargeable lithium polymer battery |
| Battery capacity | 18mAh |
| Charging time | Approximately 1 hour |
| Charging cycles | More than 300 cycles |
| Charging connector | Charging base with USB-C cable |
Compatibility and software | |
| Compatible operating systems | Android 4.4 or later, iOS 8.0 or later, HarmonyOS |
| Related app | QRing |
| Software updates | OTA updates |
Complete set | |
| Included |
|
Safety information | |
| Safety warning | Use the ring only for personal activity and wellness monitoring. It is not a medical device and should not be used to diagnose, treat, or prevent disease. Keep the charging accessories dry. Do not use the ring if it or the battery is damaged, unusually hot, or swollen. |
| Height | 50mm |
| Length | 50mm |
| Weight | 10 grams |
| Width | 50mm |