{"product_id":"colmi-r02-smart-ring-size-9-18-9-mm-black-charging-case","title":"COLMI R02 Smart Ring, Size 9, 18.9 mm (Black) + Charging Case","description":"\u003cdiv style=\"font-size: 1.1em;\"\u003e\n\u003ch2\u003eColmi R02 – a discreet smart ring for every day\u003c\/h2\u003e\n\u003cdiv class=\"context-badges\"\u003e \u003cspan\u003eDiscreet health monitoring\u003c\/span\u003e \u003cspan\u003eSuitable for sports and exercise\u003c\/span\u003e \u003cspan\u003eComfortable for long-term wear\u003c\/span\u003e\n\u003c\/div\u003e The Colmi R02 smart ring is the right choice for anyone who wants to track their activity and health without wearing a watch. It comes with a charging case for easy charging anywhere.\u003cul\u003e\n\u003cli\u003e Sleep, step and heart rate tracking\u003c\/li\u003e\n\u003cli\u003e Lightweight and barely noticeable design\u003c\/li\u003e\n\u003cli\u003e Waterproof for everyday use\u003c\/li\u003e\n\u003cli\u003e Compatible with Android and iOS devices\u003c\/li\u003e\n\u003cli\u003e Easy data synchronization via the app\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cbr\u003e\u003cbr\u003e\u003ch3\u003eCOLMI R02 smart ring, size 9\u003c\/h3\u003e\u003cp\u003e The COLMI R02 smart ring in size 9 (18.9 mm) in black is a lightweight and discreet smart ring that combines health monitoring with sports functions. The device measures heart rate and blood oxygen level (SpO2), analyzes sleep, and tracks daily activities and workouts in 21 sports modes. Thanks to Bluetooth 5.0, it works with the QRing application, stores data for later synchronization, and IP68 water resistance and the included charging case ensure convenient use for up to 6-7 days on a single charge. \u003c\/p\u003e\u003cp\u003e\u003cimg alt=\"Two elegant rings - gold and black - on a crystal plate on a white background\" border=\"0\" src=\"https:\/\/assets.innpro.pl\/21086\/27960\/16.jpg\"\u003e\u003c\/p\u003e\u003ch3\u003e Compact design and comfort\u003c\/h3\u003e\u003cp\u003e The ring is designed for maximum comfort during everyday use. Weighing only 4.7 g and measuring just 2.7 mm thick, you will quickly stop noticing it. It does not restrict hand movement and does not interfere with writing, physical work or exercise. This means that you can wear it continuously day and night without having to take it off. This allows for continuous data collection, even in moments that larger devices often miss. \u003c\/p\u003e\u003cp\u003e\u003cimg alt=\"Open black charging case with black smart ring inside\" border=\"0\" src=\"https:\/\/assets.innpro.pl\/21086\/27960\/14.jpg\"\u003e\u003c\/p\u003e\u003ch3\u003e Monitoring health and vital signs\u003c\/h3\u003e\u003cp\u003e COLMI R02 continuously monitors key vital signs such as heart rate and blood oxygen saturation (SpO2). Measurements are performed automatically in the background, meaning you don't have to manually activate each function. This makes it easy to observe changes in your body based on activity, stress, or rest. The data is stored in the device's memory, so even if you don't have your phone with you, nothing will be lost. After synchronizing with the app, you can analyze the results in a broader context and observe long-term changes. \u003c\/p\u003e\u003cp\u003e\u003cimg alt=\"A man's hand in a black jacket with a gold elegant ring on his index finger\" border=\"0\" src=\"https:\/\/assets.innpro.pl\/21086\/27960\/4.jpg\"\u003e\u003c\/p\u003e\u003ch3\u003e Sleep and recovery analysis\u003c\/h3\u003e\u003cp\u003e One of the ring's most powerful features is its sleep tracking, which starts automatically every night. The device recognizes sleep stages, such as light and deep sleep, and records your total rest time. This allows you to check not only how much sleep you're getting, but also how effectively your body is recovering. The data is stored locally and synced to the app in the morning, providing a complete picture of your sleep without the need for a constant connection. This feature will be especially appreciated by those who don't like to wear a watch to bed. \u003c\/p\u003e\u003cp\u003e\u003cimg alt=\"A bearded man sleeps on a pillow with a black smart ring on his finger in warm, homey light.\" border=\"0\" src=\"https:\/\/assets.innpro.pl\/21086\/27960\/5.jpg\"\u003e\u003c\/p\u003e\u003ch3\u003e Sports modes and activity\u003c\/h3\u003e\u003cp\u003e The ring offers 21 sports modes that cover the most popular forms of exercise. Whether you choose to walk, run, or do general exercise, the device tracks key activity metrics. This includes steps taken, distance covered, calories burned, and exercise duration. This gives you better control over your workout intensity and allows you to gradually increase your activity level. Regular data tracking also makes it easier to track your progress and stay motivated. \u003c\/p\u003e\u003cp\u003e\u003cimg alt=\"Woman in purple tracksuit running across bridge with black smart ring on left hand\" border=\"0\" src=\"https:\/\/assets.innpro.pl\/21086\/27960\/6.jpg\"\u003e\u003c\/p\u003e\u003ch3\u003e Connectivity and compatibility\u003c\/h3\u003e\u003cp\u003e Communication is handled by Bluetooth 5.0, which ensures a stable connection and low power consumption. When the ring is paired with the QRing app, all data is sent to one place, where it is presented in an easy-to-read format. Synchronization is fast and does not require complicated setup. The ring is compatible with Android 4.4 and higher, iOS 8.0 and higher, and Harmony OS, allowing easy connection with older and newer smartphones. \u003c\/p\u003e\u003cp\u003e\u003cimg alt=\"Cyclist's hands on black handlebars with a dark smart ring visible on his finger\" border=\"0\" src=\"https:\/\/assets.innpro.pl\/21086\/27960\/8.jpg\"\u003e\u003c\/p\u003e\u003ch3\u003e Charging case and battery life\u003c\/h3\u003e\u003cp\u003e The included case serves as a practical docking station, making it easy to store and charge the ring. Simply place it in the designated place to start charging via magnetic contacts. The ring itself offers a battery life of 6-7 days, allowing you to use it without frequently reaching for the charger. A full charge takes about an hour, so a short break is enough to restore full functionality. This solution works well for everyday use, where simplicity and speed of operation are important. \u003c\/p\u003e\u003cp\u003e\u003cimg alt=\"A raised hand with a closed black smart ring charging case floating above it\" border=\"0\" src=\"https:\/\/assets.innpro.pl\/21086\/27960\/12.jpg\"\u003e\u003c\/p\u003e\u003ch3\u003e Durability and materials\u003c\/h3\u003e\u003cp\u003e The titanium alloy housing increases resistance to scratches and everyday wear. As a result, the ring better withstands contact with hard surfaces and retains its aesthetic appearance for longer. The inner lining made of hypoallergenic resin improves wearing comfort and reduces the risk of irritation. This is especially important for a device that is worn for several hours a day. IP68 water resistance allows you to use the ring while washing hands, exercising or swimming without having to take it off. \u003c\/p\u003e\u003cp\u003e\u003cimg alt=\"A woman in white pants puts a small black smart ring case in her front right pocket.\" border=\"0\" src=\"https:\/\/assets.innpro.pl\/21086\/27960\/13.jpg\"\u003e\u003c\/p\u003e\u003ch3\u003e How to choose the right size\u003c\/h3\u003e\u003cp\u003e Choosing the right size is crucial for comfort and accuracy. To do this, wrap a thin string or thread around your finger, mark where it meets, and measure the length. Compare the result with the size chart. The model is available in sizes 8 (18.1 mm), 9 (18.9 mm), 10 (19.8 mm), and 11 (20.6 mm), allowing it to fit a variety of users. For greater accuracy, it is best to measure in the evening, when your fingers are naturally slightly larger than in the morning. \u003c\/p\u003e\u003cp\u003e\u003cimg alt=\"Three elegant rings in black and gold on wooden jewelry stands\" border=\"0\" src=\"https:\/\/assets.innpro.pl\/21086\/27960\/15.jpg\"\u003e\u003c\/p\u003e\u003ch3\u003e Included\u003c\/h3\u003e\u003cul class=\"list-disc pl-5\"\u003e\n\u003cli\u003e COLMI R02 ring\u003c\/li\u003e\n\u003cli\u003e Charging case\u003c\/li\u003e\n\u003cli\u003e Magnetic cable\u003c\/li\u003e\n\u003cli\u003e User manual\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv class=\"table-wrapper\"\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e Manufacturer\u003c\/th\u003e\n\u003ctd\u003e COLMI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Model\u003c\/th\u003e\n\u003ctd\u003e R02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Size\u003c\/th\u003e\n\u003ctd\u003e 9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Inner diameter\u003c\/th\u003e\n\u003ctd\u003e 18.9mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Scope\u003c\/th\u003e\n\u003ctd\u003e 59.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Color\u003c\/th\u003e\n\u003ctd\u003e black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Outer material\u003c\/th\u003e\n\u003ctd\u003e titanium alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Inner material\u003c\/th\u003e\n\u003ctd\u003e hypoallergenic resin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Thickness\u003c\/th\u003e\n\u003ctd\u003e 2.7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Weight\u003c\/th\u003e\n\u003ctd\u003e approximately 4.7 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Health and monitoring features\u003c\/th\u003e\n\u003ctd\u003e Heart rate measurement, blood oxygen saturation (SpO2) measurement, sleep monitoring, activity monitoring, activity level monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Sports modes\u003c\/th\u003e\n\u003ctd\u003e 21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Recorded data\u003c\/th\u003e\n\u003ctd\u003e Activity time, distance, calories, heart rate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Connectivity\u003c\/th\u003e\n\u003ctd\u003e Bluetooth 5.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Application\u003c\/th\u003e\n\u003ctd\u003e QR-scanning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e System compatibility\u003c\/th\u003e\n\u003ctd\u003e Android 4.4 and above, iOS 8.0 and above, Harmony OS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Charging case\u003c\/th\u003e\n\u003ctd\u003e yes (charge and storage function)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e Water resistance\u003c\/th\u003e\n\u003ctd\u003e IP68\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\u003cbr\u003e Warranty: 12 months\u003cbr\u003e\u003cbr\u003e The text is machine translated.\u003cbr\u003e\u003cbr\u003e\u003ch2\u003eSame summary\u003c\/h2\u003e\u003cp\u003e The COLMI R02 smart ring, size 9 (18.9 mm), is a discreet choice for users who want to unobtrusively track their daily activities, health and sleep – without wrist devices. Due to the emphasis on basic functions, it is most useful as a companion for recording steps, heart rate and night monitoring. Choosing the right size is key to comfort and accuracy of measurements; users who do not follow the size chart may encounter deviations in measurements. The ring is especially suitable for those who appreciate minimalism and want a technological accessory that blends with everyday style with minimal maintenance.\u003c\/p\u003e\u003cp\u003e \u003cem\u003eRecommendation source: Enaa guides and team experiences.\u003c\/em\u003e\u003c\/p\u003e\u003ch2\u003e User view\u003c\/h2\u003e\u003cp\u003e The typical user of the COLMI R02 smart ring is an active individual who prioritizes simplicity, low visibility of wearable devices and basic health monitoring functions. The ring is practical for everyday wear, even during sleep or sports, as it does not hinder movement and is not noticeable like a classic smartwatch or bracelet. Due to its lightweight design and easy synchronization with a mobile phone, it is also often chosen by those who want a more minimalist approach to smart electronics.\u003c\/p\u003e\u003cp\u003e Users also often appreciate the technological focus of the \u003ca href=\"https:\/\/www.enaa.com\/znamka\/colmi\"\u003eColmi\u003c\/a\u003e brand, as it offers a comprehensive ecosystem of devices for various needs and enables easy connectivity and data transparency in one place.\u003c\/p\u003e\u003ch2\u003e Why buy at Enaa\u003c\/h2\u003e\u003cp\u003e At Enaa, you can choose from a reliable range of smart rings, where model details are clearly presented and tailored to your needs. In addition, our team regularly updates the information so that you can count on relevant data and modern trends from the world of smart devices with every purchase.\u003c\/p\u003e\u003ch2\u003e Answers to frequently asked questions\u003c\/h2\u003e\u003ch3\u003e Is the COLMI R02 ring suitable for everyday wear, even while sleeping?\u003c\/h3\u003e\u003cp\u003e Yes, the smart ring's design allows for comfortable wear 24\/7, including at night, which is especially useful for monitoring sleep and well-being throughout the day.\u003c\/p\u003e\u003ch3\u003e What should I consider when choosing a smart ring size?\u003c\/h3\u003e\u003cp\u003e It is important to accurately measure your finger and compare the data with the manufacturer's size chart, as only the correct size ensures comfort and reliability of measurements.\u003c\/p\u003e\u003ch3\u003e Does the COLMI R02 ring support connection with all smartphones?\u003c\/h3\u003e\u003cp\u003e The ring is compatible with most Android and iOS phones, but it is recommended to check the app requirements and operating system version your phone supports before purchasing.\u003c\/p\u003e\u003ch3\u003e How is the smart ring charged and how long does the battery last?\u003c\/h3\u003e\u003cp\u003e The ring is charged with the included charging case, allowing for convenient energy supply even on the go. Autonomy depends on the method of use, but is usually sufficient for several days of activity tracking.\u003c\/p\u003e\u003ch3\u003e Is the ring water and sweat resistant for use during sports?\u003c\/h3\u003e\u003cp\u003e The ring is designed for basic protection against sweat and moisture, but is not intended for swimming or prolonged contact with water. It is recommended to dry the ring after exercise or contact with water for optimal performance.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e\u003cbr \/\u003e\n{\u003cbr \/\u003e\n  \"@context\": \"https:\/\/schema.org\",\u003cbr \/\u003e\n  \"@type\": \"FAQPage\",\u003cbr \/\u003e\n  \"mainEntity\": [\u003cbr \/\u003e\n    {\u003cbr \/\u003e\n      \"@type\": \"Question\",\u003cbr \/\u003e\n      \"name\": \"Ali je prstan COLMI R02 primeren za vsakodnevno nošenje, tudi med spanjem?\",\u003cbr \/\u003e\n      \"acceptedAnswer\": {\u003cbr \/\u003e\n        \"@type\": \"Answer\",\u003cbr \/\u003e\n        \"text\": \"Da, zasnova pametnega prstana omogoča udobno nošenje 24\/7, vključno z nočjo, kar je še posebej uporabno za spremljanje spanja in počutja skozi celoten dan.\"\u003cbr \/\u003e\n      }\u003cbr \/\u003e\n    },\u003cbr \/\u003e\n    {\u003cbr \/\u003e\n      \"@type\": \"Question\",\u003cbr \/\u003e\n      \"name\": \"Kaj moram upoštevati pri izbiri velikosti pametnega prstana?\",\u003cbr \/\u003e\n      \"acceptedAnswer\": {\u003cbr \/\u003e\n        \"@type\": \"Answer\",\u003cbr \/\u003e\n        \"text\": \"Pomembno je natančno izmeriti prst in primerjati podatke s tabelo velikosti proizvajalca, saj samo pravilna velikost zagotavlja udobje in zanesljivost meritev.\"\u003cbr \/\u003e\n      }\u003cbr \/\u003e\n    },\u003cbr \/\u003e\n    {\u003cbr \/\u003e\n      \"@type\": \"Question\",\u003cbr \/\u003e\n      \"name\": \"Ali prstan COLMI R02 podpira povezavo z vsemi pametnimi telefoni?\",\u003cbr \/\u003e\n      \"acceptedAnswer\": {\u003cbr \/\u003e\n        \"@type\": \"Answer\",\u003cbr \/\u003e\n        \"text\": \"Prstan je združljiv z večino telefonov Android in iOS, vendar je priporočljivo pred nakupom preveriti zahteve aplikacije in različico operacijskega sistema, ki ju vaš telefon podpira.\"\u003cbr \/\u003e\n      }\u003cbr \/\u003e\n    },\u003cbr \/\u003e\n    {\u003cbr \/\u003e\n      \"@type\": \"Question\",\u003cbr \/\u003e\n      \"name\": \"Kako se polni pametni prstan in koliko časa drži baterija?\",\u003cbr \/\u003e\n      \"acceptedAnswer\": {\u003cbr \/\u003e\n        \"@type\": \"Answer\",\u003cbr \/\u003e\n        \"text\": \"Prstan se polni s priloženo polnilno torbico, kar omogoča priročno energijsko oskrbo tudi na poti. Avtonomija je odvisna od načina uporabe, običajno pa zadostuje za več dni spremljanja aktivnosti.\"\u003cbr \/\u003e\n      }\u003cbr \/\u003e\n    },\u003cbr \/\u003e\n    {\u003cbr \/\u003e\n      \"@type\": \"Question\",\u003cbr \/\u003e\n      \"name\": \"Ali je prstan odporen na vodo in znoj za uporabo med športom?\",\u003cbr \/\u003e\n      \"acceptedAnswer\": {\u003cbr \/\u003e\n        \"@type\": \"Answer\",\u003cbr \/\u003e\n        \"text\": \"Prstan je zasnovan za osnovno zaščito pred znojem in vlago, a ni namenjen plavanju ali dolgotrajnemu stiku z vodo. Priporočljivo je po vadbi ali stiku z vodo prstan osušiti za optimalno delovanje.\"\u003cbr \/\u003e\n      }\u003cbr \/\u003e\n    }\u003cbr \/\u003e\n  ]\u003cbr \/\u003e\n}\u003cbr \/\u003e\n\u003c\/script\u003e\u003cp style=\"font-size: 0.9em; color: #666;\"\u003eDescription updated: May 2026\u003c\/p\u003e","brand":"Colmi","offers":[{"title":"Default Title","offer_id":58723370139979,"sku":null,"price":29.79,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/3457\/3643\/files\/colmi_r02_smart_ring_size_9_18_9_mm_black_charging_case_20258532.jpg?v=1791308232","url":"https:\/\/enaa.eu\/products\/colmi-r02-smart-ring-size-9-18-9-mm-black-charging-case","provider":"Enaa","version":"1.0","type":"link"}