{"product_id":"rolvik-smart-ring-wellness-tracker-heart-rate-sleep-stress-ip68-7-day-battery","title":"Rolvik Smart Ring Wellness Tracker – Heart Rate, Sleep \u0026 Stress, IP68, 7-Day Battery","description":"\u003cp\u003eTrack your sleep, heart rate and daily activity from a lightweight titanium ring you barely notice. The Rolvik Smart Ring pairs with the LuckRing app, runs for about 7 days on a charge, and comes with a pocket-size charging case so it's ready wherever you go.\u003c\/p\u003e\n\u003ch3\u003eWhy You'll Love It\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTracks heart rate, blood oxygen (SpO2), heart rate variability (HRV) and stress level\u003c\/li\u003e\n\u003cli\u003eSleep tracking with deep, light, REM and awake time, plus 15 sleep sounds and sleep coaching settings\u003c\/li\u003e\n\u003cli\u003eCounts steps, calories and distance, with 13 sport modes including running, cycling, walking, swimming and yoga\u003c\/li\u003e\n\u003cli\u003eTitanium steel body weighing only 3.9 g, easy to wear all day and night\u003c\/li\u003e\n\u003cli\u003eIP68 water resistance for handwashing, showers, workouts and swimming\u003c\/li\u003e\n\u003cli\u003eAbout 7 days of battery life; the charging case holds extra power for on-the-go top-ups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: titanium steel, electroplated finish (white)\u003c\/li\u003e\n\u003cli\u003eSizes: 7, 8, 9, 10\u003c\/li\u003e\n\u003cli\u003eWeight: 3.9 g\u003c\/li\u003e\n\u003cli\u003eWater resistance: IP68\u003c\/li\u003e\n\u003cli\u003eConnection: Bluetooth 5.3, syncs with the LuckRing app (iOS and Android)\u003c\/li\u003e\n\u003cli\u003eRing battery: 16 mAh, about 7 days of use, about 1.5 hours to charge\u003c\/li\u003e\n\u003cli\u003eCharging case battery: 200 mAh\u003c\/li\u003e\n\u003cli\u003eApp languages: 34\u003c\/li\u003e\n\u003cli\u003eIn the box: 1 smart ring, 1 charging case, 1 magnetic charging cable, 1 Type-C USB charging cable, 1 user manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSize Guide\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSize 7: inner diameter 17.3 mm, inner circumference 53–56 mm\u003c\/li\u003e\n\u003cli\u003eSize 8: inner diameter 18.1 mm, inner circumference 56–59 mm\u003c\/li\u003e\n\u003cli\u003eSize 9: inner diameter 18.9 mm, inner circumference 59–61 mm\u003c\/li\u003e\n\u003cli\u003eSize 10: inner diameter 19.8 mm, inner circumference 61–64 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTo find your size, wrap a thin strip of paper around the base of your finger, mark where it overlaps, and measure the length. Measure at the end of the day, when fingers are at their largest.\u003c\/p\u003e\n\u003ch3\u003eGood to Know\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis is a wellness and fitness device, not a medical device. Readings are for general reference and should not be used to diagnose, treat or monitor any health condition.\u003c\/li\u003e\n\u003cli\u003eTo pair, place the ring on its charger, open the LuckRing app, tap Add Ring and select your ring.\u003c\/li\u003e\n\u003cli\u003eRemove the ring before heavy lifting or work that could press hard on the band.\u003c\/li\u003e\n\u003cli\u003eStock is limited in some sizes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs it waterproof?\u003c\/strong\u003e\u003cbr\u003eIt is rated IP68, so it handles handwashing, showers, workouts and swimming.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long does the battery last?\u003c\/strong\u003e\u003cbr\u003eAbout 7 days of use per charge. A full charge takes about 1.5 hours, and the charging case gives you extra power on the go.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich phones does it work with?\u003c\/strong\u003e\u003cbr\u003eIt connects to iPhone and Android phones through the free-to-download LuckRing app.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I choose my size?\u003c\/strong\u003e\u003cbr\u003eUse the size guide above and measure the base of your finger. Size 7 fits an inner circumference of 53–56 mm, and size 10 fits 61–64 mm.\u003c\/p\u003e\n\u003ch3\u003eShipping \u0026amp; Returns\u003c\/h3\u003e\n\u003cp\u003eFree US shipping. 14-day returns. If your item arrives damaged or defective, we will replace it or refund you.\u003c\/p\u003e","brand":"Rolvik","offers":[{"title":"7","offer_id":67584963543340,"sku":"CJKC276572801AZ","price":59.99,"currency_code":"USD","in_stock":true},{"title":"8","offer_id":67584963576108,"sku":"CJKC276572802BY","price":59.99,"currency_code":"USD","in_stock":true},{"title":"9","offer_id":67584963608876,"sku":"CJKC276572803CX","price":59.99,"currency_code":"USD","in_stock":true},{"title":"10","offer_id":67584963641644,"sku":"CJKC276572804DW","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/8284\/8044\/files\/b59ffe47-9afa-462b-b9fc-542e07556e0f.jpg?v=1791442332","url":"https:\/\/rolvik.com\/products\/rolvik-smart-ring-wellness-tracker-heart-rate-sleep-stress-ip68-7-day-battery","provider":"Rolvik","version":"1.0","type":"link"}