Colmi R02 Smart Ring
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14-Days Return Policy
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Basic specifications
●CPU: RF03
●Bluetooth: 5.0
●Battery: 17mAh
●Waterproof level: IP68
●APP: “QRing”
Suitable for mobile phones with Android 5.1 or higher, or iOS 8.0 or higher.
Base parameters
Brand: COLMI
Product Name: R02 Smart Ring
Colors: Black, Gold
Connectivity: 5.0 BLE (Bluetooth Low Energy)
Chip parameters
Main chip: BlueX Micro
Chipset Model: RF03
Compatible system: Android 5.1 or above, iOS 8.0 or above
Waterproof level: IP68
Sensor
Sensor: STK8321
Heart Rate Sensor: Vcare VC30F
Battery
Battery type: Lithium polymer
Capatcity: 17mAh
Charging mode: Magnetic Charging Cable
App name: QRing
App language
Danish, Ukrainian, Russian, Croatian, Hungarian, Hindi, Indonesian, Türkiye, Hebrew, Greek, German, Italian, Latvian, Czech, Slovak, Slovenian, Japanese, French, Polish, Thai, Estonian, Swedish, Lithuanian, Simplified Chinese, Traditional Chinese, Romanian, English Dutch, Portuguese, Spanish, Vietnamese, Arabic, Korean, Malay

Stress-Free Fit
Free size exchanges if your ring doesn’t fit right.
We have a 14-day return policy, which means you have 14 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
To start a return, you can contact us at hello@colmi.store.
If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
You can always contact us for any return question at hello@colmi.store.
Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.
Exceptions / non-returnable items
Certain types of items cannot be returned, like perishable goods (such as food, flowers, or plants), custom products (such as special orders or personalized items), and personal care goods (such as beauty products). We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.
Unfortunately, we cannot accept returns on sale items or gift cards.
Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.
European Union 14 day cooling off period
Notwithstanding the above, if the merchandise is being shipped into the European Union, you have the right to cancel or return your order within 14 days, for any reason and without a justification. As above, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method within 10 business days. Please remember it can take some time for your bank or credit card company to process and post the refund too.
If more than 15 business days have passed since we’ve approved your return, please contact us at hello@colmi.store.
Choose options
Shell material
The outer ring is as gentle as jade, with a stainless steel shell and tens of thousands of CNC grinding and polishing operations to achieve ultimate durability.
Thin and light design
Innovative and non-sensory wearing, with a thickness of 2.7mm, the design is lighter and thinner, making it more comfortable and convenient to wear.
Inner shell material
The inner ring is tough and durable, while the smooth inner shell uses hypoallergenic epoxy resin for a quality feel from the outside to the inside.

Sleep monitoring
When you fall asleep, the ring can automatically monitor your sleep quality and generate a sleep report to help you develop good sleep habits.

Blood oxygen test
Blood oxygen is one of the important indicators of human health. The smart ring COLMI R02 can record your blood oxygen data.

Heart rate monitoring
By tracking your heart rate around the clock, you can understand your physical condition during exercise and relaxation during the day and self-check your physical condition in advance.
Casual exercise
Record steps, calorie consumption, distance and other data, support your multi-sport mode, and the APP will generate activity statistics.
IP68 waterproof
The fully enclosed structure easily copes with daily waterproofing and supports wearing for hand washing, rain, etc. to meet your various waterproofing needs.
Fast charging
It charges quickly and has a 17mAh capacity polymer lithium battery, which has a long battery life. The APP can check the real-time battery level.
Ring Size Chart
In the Box


