{"product_id":"colmi-r02-smart-ring-black-sports-tracking-health","title":"COLMI R02 Smart Ring Black - Sports Tracking \u0026 Health","description":"\u003cp\u003eIn this review of the COLMI R02 Smart Ring Black, the bottom line is simple: it is best for active men and women who want a compact, wearable tracker that covers daily health metrics and basic sports tracking without the bulk of a wrist device. The ring's strongest advantage is that it consolidates 24-hour heart rate, blood oxygen and sleep monitoring with a lightweight charging compartment for on-the-go top-ups, making it a practical choice for travelers and fitness-minded users who value comfort and continuous data recording.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizing kit recommended:\u003c\/strong\u003e Purchasing the COLMI Sizing Kit first helps ensure a proper fit so the ring is comfortable and measurements remain accurate during activity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24-hour health measurement:\u003c\/strong\u003e Continuous heart rate monitoring and blood oxygen tracking provide a steady stream of health data that the companion app can compile into analysis reports.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleep tracking:\u003c\/strong\u003e The ring records sleep patterns to highlight trends and make it easier to adjust routines for better rest.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable charging compartment:\u003c\/strong\u003e The included compact charging box stores and recharges the ring for travel-friendly convenience and quick top-ups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSports modes:\u003c\/strong\u003e Built-in support for running and other sports modes tracks exercise time, steps and calories to document workouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote camera control:\u003c\/strong\u003e When connected to a phone, the ring can control the camera so users can capture moments with a simple gesture.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis ring is aimed at people who want continuous health monitoring in a form factor smaller than a watch, including runners, commuters and frequent travelers who appreciate the portable charging compartment. It is also a good pick for anyone who prefers minimal jewelry-style trackers that double as fitness tools.\u003c\/p\u003e\u003cp\u003eThose who need advanced multisport metrics, onboard GPS or in-depth training plans should look elsewhere; the COLMI R02 focuses on core health signals and basic sports tracking rather than exhaustive professional training features.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eComfortable, discreet design that users report fits well for all-day wear.\u003c\/li\u003e\n\u003cli\u003eReliable continuous heart rate and SpO2 monitoring with sleep tracking and report generation.\u003c\/li\u003e\n\u003cli\u003eConvenient charging compartment that makes recharging easy while traveling.\u003c\/li\u003e\n\u003cli\u003eSimple sports mode tracking and phone camera control for added versatility.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNot intended for athletes needing advanced training metrics or onboard GPS.\u003c\/li\u003e\n\u003cli\u003eAccurate sizing depends on buying the separate sizing kit first for best fit.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct\u003c\/td\u003e\n\u003ctd\u003eCOLMI R02 Sports Tracking Smart Ring (Black)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHealth measurement\u003c\/td\u003e\n\u003ctd\u003e24-hour heart rate, blood oxygen, sleep monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSports modes\u003c\/td\u003e\n\u003ctd\u003eRunning and multiple other sports modes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharging\u003c\/td\u003e\n\u003ctd\u003ePortable charging compartment and charging cable included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccessories\u003c\/td\u003e\n\u003ctd\u003eSmart ring, portable charging box, charging cable, instruction manual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl\u003c\/td\u003e\n\u003ctd\u003ePhone camera remote control when connected\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe COLMI R02 Smart Ring Black is a well-rounded, comfortable option for everyday health tracking and light sports monitoring, and it offers clear value with its portable charging compartment and continuous measurements. Buy it if you want a discreet tracker that records heart rate, SpO2 and sleep while fitting easily into travel and daily life; consider a different device if you require advanced athletic features or GPS.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eDo I need a sizing kit?\u003c\/strong\u003e\u003cbr\u003eYes, the manufacturer recommends purchasing the COLMI Sizing Kit to choose the correct ring size for accurate measurements and comfort.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat health metrics does it track?\u003c\/strong\u003e\u003cbr\u003eThe ring supports 24-hour heart rate monitoring, blood oxygen measurement and sleep tracking, and it records data for analysis reports.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs a charging accessory included?\u003c\/strong\u003e\u003cbr\u003eYes, the package includes a portable charging compartment and a charging cable so the ring can be charged on the go.\u003c\/p\u003e","brand":"Generic","offers":[{"title":"Default Title","offer_id":48199850262747,"sku":"B0FD499BTJ","price":49.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61QMCQFjg6L._AC_SL1500_1872a67f-6617-41c9-a6cd-6e51ed3e2a4d.jpg?v=1770219781","url":"https:\/\/gearmusthave.com\/products\/colmi-r02-smart-ring-black-sports-tracking-health","provider":"GearMustHave","version":"1.0","type":"link"}