Smart Ring COLMI R02 with Charging Case Heart Rate SpO2 Sleep and Stress Monitoring Waterproof 5ATM Stainless Steel for Sport
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The Smart Ring COLMI R02 offers a discreet way to keep track of your health and movement without a watch on your wrist. The ring weighs just 4.4 g and measures heart rate, blood oxygenation, sleep quality, and stress levels. Data is transmitted via Bluetooth 5.0 to the QRing app on your phone, where it can be easily viewed in graphs and daily summaries. Included in the package is a compact charging case with a 200 mAh battery, allowing you to recharge the ring anytime, even while on the go. It is suitable for athletes, for those who want to better understand their sleep, and for anyone monitoring their daily activity.
The outer part of the ring is made of polished stainless steel, while the inner side is crafted from hypoallergenic resin, which is comfortable against the skin even during all-day wear. With a thickness of only 2.7 mm, the ring does not interfere while working, exercising, or sleeping. The ring records data even when the phone is not nearby, and automatically uploads it to the app upon reconnection. A single charge of the ring lasts approximately 3 to 5 days, and a fully charged case can recharge it about 13 times, providing long-term use without needing a socket.
- Model – COLMI R02
- Measured Functions – heart rate 24/7, blood oxygenation SpO2, sleep, stress
- Activity Tracking – steps, distance, calories burned
- Material – stainless steel, inner side made of hypoallergenic resin
- Weight of the Ring – 4.4 g
- Thickness – 2.7 mm
- Water Resistance – 5ATM
- Battery of the Ring – 17 mAh, lasts approximately 3 to 5 days
- Charging Case – 200 mAh battery, magnetic charging for the ring, USB-C port, dimensions 43 x 43 x 25 mm
- Connection – Bluetooth 5.0, QRing app
- Display – no display
- Internal Diameter by Size – 9 = 19.1 mm, 10 = 20 mm, 11 = 20.8 mm
- Package Contents – Smart Ring COLMI R02 and charging case
Finding the right size is easy: wrap a strip of paper around your finger, mark where it overlaps, and compare the measured length with the circumference of the ring (size 9 = 60 mm, 10 = 62.8 mm, 11 = 65.4 mm). Thanks to its 5ATM water resistance, you can wear the ring while washing your hands, in the shower, or while swimming. After bathing, simply remove it, rinse it with clean water, and dry it to prevent soap or shower gel residue from accumulating underneath. The measured values serve as an indicative overview of your health and do not replace medical examinations.
The COLMI R02 is a lightweight smart ring that combines health, sleep, and activity monitoring in a metal design made of stainless steel. The charging case ensures a total battery life of up to 39 days without the need to search for a socket. You will appreciate the ring during sports, at work, and at night, when it discreetly records your sleep patterns. The user-friendly QRing app will show you heart rate, blood oxygenation, and stress levels all in one place. It is a practical accessory for anyone who wants to keep track of their fitness without bulky watches.
Delivery
Delivery to address€1.99
Estimated delivery: 23 November – 4 December
Shipped from China
You only pay for delivery once per order, whatever its size.
We will email you the tracking number as soon as the seller makes it available.
Delivery is only possible to addresses in Ireland.
Customs and import VAT: if the goods in a parcel are worth up to €150, customs duty and import VAT are already included in the price. If the value is over €150, the carrier will charge you import VAT on delivery and, where applicable, customs duty and a customs clearance fee. Send us the receipt – we will reimburse you the full amount. You can find more information in our Terms and Conditions.
Need more information? Read our article Delivery and Payment.
Returns and Exchanges
Shop with confidence – LUNZO guarantees that your purchase goes smoothly. You arrange returns and exchanges directly with us, so there is nothing to sort out with the seller.
Returns30 days to return without giving a reason
Withdrawal period30 days from receipt of the goods
Deadline to send the goods backWithin 14 days of withdrawing from the contract
Return shipping costsYou pay the postage for sending the goods back to Spain. With An Post (Standard Post), returning a parcel of up to 2 kg to Spain costs about €30. We charge no other fee.
RefundWithin 14 days of your notice of withdrawal, using the same payment method you used for the purchase. If you return the whole order, we will also refund the delivery cost.
Crediting of the amountUsually 2–10 working days, depending on the payment method
Product conditionYou may unpack the goods and try them as you would in a shop, and you can return them even without the original packaging
Returns addressQX-BOX AEMALL RETURN
Rotonda Rene Descartes, Parcela 101 – Nave 3
28070 Alcala de Henares, Madrid
SpainReturns centre in Spain operated by Qxbox, an e-commerce logistics provider and logistics partner of the sellers on our platform.
How do I return goods?
- Email us at info@lunzo.ie with your order number and the items you are returning.
- Pack the goods and send them by post to the returns address in Spain.
- Send us the proof of dispatch with the tracking number – this lets us refund you without waiting for the parcel to arrive.
Faulty goodsUp to 6 years to claim for faulty goods
Did the goods arrive damaged, do they not work, is something missing from the parcel or do they not match the description? We will sort it out.
Period for claiming a faultUp to six years from delivery of the goods
RefundWithout undue delay once the claim has been settled, using the same payment method you used for the purchase
How does it work?
- Email us at info@lunzo.ie with your order number and a description of the problem, and attach photographs or a video.
- We will assess it and suggest a solution. Photographs are usually enough – please do not send the goods back until you have received instructions from us.
- We will settle your claim within 30 days at the latest – with a new item, a price reduction or a refund.
If the goods need to be sent back, we will refund the postage for a valid claim (just provide the receipt).
ExchangesA different size, colour or variant
Write to us within 30 days of receipt at info@lunzo.ie with your order number and the variant you are interested in. We usually reply within 24 hours.
If the variant is available, we will send you instructions for the exchange. You pay the cost of sending the original item back; the new variant will be sent to you at no further charge.
Need more information? Read our articles Returns and Exchanges and Faulty Goods.
Payment methods
Credit / debit card
Pay with your Visa or Mastercard through a secure payment gateway. Payment goes through instantly, so we can process your order straight away.
Apple Pay
Pay with a card saved in Apple Wallet on your iPhone, iPad or Mac. You confirm the payment with Face ID, Touch ID or your passcode.
Google Pay
Pay with a card saved in your Google account, on an Android phone or in the Chrome browser. You never have to enter your card number.
Bank transfer
Once you complete your order, we will send you the details for the bank transfer. Your order will be dispatched as soon as the payment reaches our account.
Revolut Pay
Pay with your Revolut account – simply confirm the payment in the Revolut app, without entering any card details. Payment goes through instantly.
Payment is made through a secure payment gateway and your card details are never stored anywhere on our side. We do not charge a fee for any payment method.
Need more information? Read our article Delivery and Payment.
About the seller
This product is sold and shipped by an external seller. LUNZO guarantees you a safe purchase: online payments go through a secure payment gateway, and you handle your order, returns and complaints with us.
The following information has been provided by the product seller, who is responsible for its accuracy. The seller acts as a trader.
Seller:
Gansu Constar Technology Group Co., Ltd.
Address: No.10, Chuangxin South Road, Baiyun District, Baiyun, Gansu, China
E-mail: ksdjt@foxmail.com
Telephone: +86 156 9392 3686
Manufacturer:
Gansu Constar Technology Group Co., Ltd.
Address: No.10, Chuangxin South Road, Baiyun District, Baiyun, Gansu, China
E-mail: ksdjt@foxmail.com
Telephone: +86 156 9392 3686
EU responsible person:
BioDomi GmbH
Address: Schokoladenring 13, 65795 Hattersheim am Main, Germany
E-mail: arcontact@biodomieurope.de
Telephone: +49 178 5749814
All products from this seller