Smart Ring - COLMi R12 Size 9 Black
Product reference: 14-6972436986804

Smart ring " COLMi R12", black, size 9, with 19.1 mm inner diameter and LED display. It monitors heart rate, blood oxygen level, sleep and activity, supports gesture control, is water resistant up to 1 ATM, and the rechargeable battery lasts 3-5 days; the kit includes a charging station with a USB-C cable.

Smart Ring - COLMi R12 Size 9 Black

Product reference: 14-6972436986804

Smart ring " COLMi R12", black, size 9, with 19.1 mm inner diameter and LED display. It monitors heart rate, blood oxygen level, sleep and activity, supports gesture control, is water resistant up to 1 ATM, and the rechargeable battery lasts 3-5 days; the kit includes a charging station with a USB-C cable.

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53,24 €
Product in warehouse

Guarantee
24 month

Delivery from Europe in
15 - 16
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COLMi R12, size 9, black


Black smart ring COLMi R12, size 9, with 19.1 mm inner diameter, LED display and heart rate, blood oxygen, sleep and activity monitoring functions. The ring supports gesture control, is water resistant to 1ATM standard, and the rechargeable battery lasts 3-5 days. The kit includes a charging dock with a USB-C cable.


  • Black smart ring COLMi R12, size 9, with 19.1 mm inner diameter and built-in LED display
  • Monitors heart rate, blood oxygen, sleep, stress and daily activity around the clock
  • Supports walking, running, cycling and swimming modes, and gestures can be used to control smartphone photography, music and short videos
  • Water resistance to 1ATM standard and rechargeable battery that lasts approximately 3-5 days; charging dock included

Product information

Product type Smart ring
Brand COLMi
Model R12
Size 9
Inner diameter 19.1mm
Color Black
Weight 4.7 grams

Technical specifications

Material Stainless steel and epoxy resin
Processor REALTEK RTL8762E
Memory 512Kb ROM
Heart rate sensor Vcare VC30F
Motion sensor ST LI2DOC G-sensor
Wireless connection Bluetooth 5.0
Information displayed on the screen Time, steps, heart rate and battery level
Related app QRing
Compatible systems Android 4.4 or later, iOS 8.0 or later, and HarmonyOS
Software updates OTA updates

Battery and charging

Battery type Rechargeable lithium polymer battery
Battery capacity 15mAh
Charging time Approximately 1 hour
Charging cycles More than 300 cycles
Standby time Up to 15 days

Included accessories

The set includes:
  • COLMi R12 smart ring
  • Charging station
  • USB-C to USB-C cable
  • User manual

Safety information

Safety warning Use the ring only for its intended purpose. The 1ATM water resistance is for daily exposure to water; the charging dock and cable must remain dry. Never charge the ring when wet. This product is not a medical device and its measurements are intended for general well-being monitoring only.

Height50mm
Length100mm
Weight10 grams
Width100mm
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