{"product_id":"colmi-smart-ring-r02-rose-gold-7-continuous-heart-rate-spo2-tracking-with-charging-case","title":"COLMI Smart Ring R02 — Rose Gold (7#), Continuous Heart Rate \u0026 SpO2 Tracking with Charging Case","description":"\u003cp\u003e\u003cstrong\u003eThe COLMI R02 is a compact smart ring with continuous heart rate, blood oxygen and sleep tracking, delivered with a portable charging case and no subscription fees.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe COLMI R02 smart ring combines understated jewelry styling with wearable health and activity monitoring for both women and men. Designed to sit comfortably on your finger, it records heart rate trends, SpO2 estimates, and nighttime sleep patterns while syncing to your phone — all without requiring a recurring app subscription. A dedicated charging case keeps the ring powered on the go and the rose gold finish adds a refined look for daily wear.\u003c\/p\u003e\n\n\u003ch3\u003eHow accurate is the COLMI R02 for everyday heart rate and blood oxygen monitoring?\u003c\/h3\u003e\n\u003cp\u003eThe R02 provides continuous heart rate monitoring and periodic blood oxygen (SpO2) estimates suitable for daily wellness awareness and trend spotting. It is optimized for everyday conditions rather than clinical diagnostics, helping you track changes over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e24\/7 heart rate measurement with adjustable sampling modes (Basic, Balanced, Enhanced)\u003c\/li\u003e\n  \u003cli\u003eIntermittent SpO2 readings to show relative oxygen levels during daily life\u003c\/li\u003e\n  \u003cli\u003eAlgorithms filter out common motion to improve reading stability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat battery life and charging options does the smart ring offer?\u003c\/h3\u003e\n\u003cp\u003eBattery life varies with how often sensors sample data: Basic Mode stretches usage, while Enhanced Mode requires more frequent charging. The included compact charging case lets you recharge the ring away from a power outlet and store it securely when not in use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBasic Mode: approximately 4–5 days (steps and basic sleep)\u003c\/li\u003e\n  \u003cli\u003eBalanced Mode: approximately 3–4 days (hourly heart rate sync)\u003c\/li\u003e\n  \u003cli\u003eEnhanced Mode: approximately 2–3 days (continuous heart rate monitoring)\u003c\/li\u003e\n  \u003cli\u003ePortable charging case and cable included for on-the-go power\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich day-to-day features help with activity and sleep tracking?\u003c\/h3\u003e\n\u003cp\u003eThe R02 tracks daily movement patterns using arm-swing detection, and its sleep algorithm is tuned for nighttime rest to produce consistent night sleep summaries. These features focus on long-term trends so you can spot improvements or shifts in activity and rest.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStep counting and long-term activity trend reports\u003c\/li\u003e\n  \u003cli\u003eNighttime sleep staging tuned for consistent overnight insights\u003c\/li\u003e\n  \u003cli\u003eMotion filtering to reduce false readings from hand-only movements\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan the ring control my phone and what accessories are included?\u003c\/h3\u003e\n\u003cp\u003eYes — the COLMI R02 supports remote camera control so you can trigger photos with a finger gesture, ideal for selfies and group shots. The package comes ready to use with everything needed to start tracking immediately.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRemote photo shutter control from the ring for convenient captures\u003c\/li\u003e\n  \u003cli\u003eIncluded items: 1 smart ring, 1 portable charging case, 1 charging cable, 1 instruction manual\u003c\/li\u003e\n  \u003cli\u003eFree of monthly app subscription fees — full core functionality available out of the box\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The COLMI R02 smart ring is tailored for people who want discreet, jewelry-style wearable tech that monitors activity, heart rate, SpO2 trends, and sleep without ongoing subscription costs. It suits users seeking a low-profile alternative to a wrist device, frequent travelers who benefit from the charging case, and anyone who values trend-based health data rather than clinical diagnostics. Before buying, consider ordering the COLMI sizing kit or measuring your finger to ensure a comfortable fit and reduce the chance of returns.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need a subscription to use the COLMI R02?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The COLMI R02 functions fully without any recurring app subscription fees.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I choose the right ring size?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Purchase the COLMI sizing kit or measure your finger per the size chart before ordering for best fit.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"COLMI","offers":[{"title":"Default Title","offer_id":48413656154269,"sku":"B0FKS8D1XM","price":78.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/colmi-r02-front-facing-rose-gold.jpg?v=1781276435","url":"https:\/\/nexoltic.com\/products\/colmi-smart-ring-r02-rose-gold-7-continuous-heart-rate-spo2-tracking-with-charging-case","provider":"Nexoltic","version":"1.0","type":"link"}