{"product_id":"bkwat-r02-3-ceramic-smart-ring","title":"BKWAT R02-3 Ceramic Smart Ring with Sleep, HRV \u0026 Temperature Tracking","description":"\u003cdiv class=\"bkwat-product-description\" data-model=\"R02-3\"\u003e\n\u003cp\u003e\u003cstrong\u003eCERAMIC WELLNESS · ALL-DAY SIMPLICITY\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eA ceramic ring designed for the rhythm of your day.\u003c\/h2\u003e\n\u003cp\u003eMeet the BKWAT R02-3, a screen-free ceramic smart ring that combines everyday style with supplier-listed wellness tracking. From heart-rate and HRV trends to sleep, SpO₂, body temperature, stress and activity, the R02-3 is designed to keep useful lifestyle information close without adding another display to your routine.\u003c\/p\u003e\n\u003cp\u003eIts smooth ceramic body comes in black or white, while an 18mAh battery is rated by the manufacturer for 7–9 days of normal use. The supplier also highlights a six-axis motion-sensing design intended to support activity and step information.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCeramic ring design:\u003c\/strong\u003e Black and white ceramic color options for a clean, modern look.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeart-rate tracking:\u003c\/strong\u003e Manufacturer-listed heart-rate monitoring using a GH3026 sensor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHRV and stress trends:\u003c\/strong\u003e Follow supplier-listed heart-rate-variability and stress indicators.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleep and SpO₂:\u003c\/strong\u003e Track supplier-listed sleep information and blood oxygen trends.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody-temperature insights:\u003c\/strong\u003e Manufacturer-listed body-temperature monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActivity and motion:\u003c\/strong\u003e Activity tracking with a supplier-described six-axis motion sensor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7–9 days of normal use:\u003c\/strong\u003e Manufacturer-rated usage time; real battery life varies with settings and use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP68 protection:\u003c\/strong\u003e Manufacturer-listed IP68 ingress-protection rating.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eA clean look for everyday wear\u003c\/h3\u003e\n\u003cp\u003eThe ceramic finish keeps the focus on the ring itself. Choose a neutral black or white style for work, travel or daily wear.\u003c\/p\u003e\n\u003ch3\u003eA fuller picture of your routine\u003c\/h3\u003e\n\u003cp\u003eCombine HRV, sleep, heart rate, SpO₂, temperature, stress and activity information to explore everyday trends through the supported companion app.\u003c\/p\u003e\n\u003ch3\u003eMore wearing, less charging\u003c\/h3\u003e\n\u003cp\u003eThe supplier rates the R02-3 for 7–9 days of normal operation from an 18mAh battery, with an approximate charging time of 1.5 hours.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eModel\u003c\/th\u003e\n\u003ctd\u003eR02-3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eType\u003c\/th\u003e\n\u003ctd\u003eScreen-free ceramic smart ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eChipset\u003c\/th\u003e\n\u003ctd\u003eAPPLLo 3blue (supplier spelling)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOptical heart-rate sensor\u003c\/th\u003e\n\u003ctd\u003eGH3026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMotion sensor\u003c\/th\u003e\n\u003ctd\u003eSix-axis G-sensor (supplier model note; chip model not listed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBattery\u003c\/th\u003e\n\u003ctd\u003e18mAh polymer battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRated normal use\u003c\/th\u003e\n\u003ctd\u003e7–9 days (manufacturer estimate)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCharging time\u003c\/th\u003e\n\u003ctd\u003eApproximately 1.5 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWireless\u003c\/th\u003e\n\u003ctd\u003eBluetooth BLE 5.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCeramic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFinish colors\u003c\/th\u003e\n\u003ctd\u003eBlack, white\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWater resistance\u003c\/th\u003e\n\u003ctd\u003eIP68 (manufacturer-listed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e4g (supplier specification)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSizes \/ inner diameters\u003c\/th\u003e\n\u003ctd\u003e#8 (18.2mm), #9 (19.0mm), #10 (19.9mm), #11 (20.7mm), #12 (21.5mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCompanion app\u003c\/th\u003e\n\u003ctd\u003eChipletRing appears in a shared app column; confirm final model\/firmware pairing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003ch4\u003eWhat can the R02-3 track?\u003c\/h4\u003e\n\u003cp\u003eThe supplier lists heart rate, HRV, sleep, blood oxygen, body temperature, stress and activity.\u003c\/p\u003e\n\u003ch4\u003eHow long does its battery last?\u003c\/h4\u003e\n\u003cp\u003eThe manufacturer lists 7–9 days of normal use. Actual runtime can change with settings and tracking frequency.\u003c\/p\u003e\n\u003ch4\u003eWhich sizes are listed?\u003c\/h4\u003e\n\u003cp\u003eThe supplier lists sizes #8 through #12, with inner diameters from 18.2mm to 21.5mm.\u003c\/p\u003e\n\u003ch4\u003eDoes the R02-3 have an ECG feature?\u003c\/h4\u003e\n\u003cp\u003eECG is not listed for R02-3 in the provided manufacturer sheet; a different model, R02-2, lists ECG as under development.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"BKWAT","offers":[{"title":"Default Title","offer_id":50477427130506,"sku":null,"price":199.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/bkwat.com\/products\/bkwat-r02-3-ceramic-smart-ring","provider":"BKWAT","version":"1.0","type":"link"}