{"product_id":"r21-smart-ring-men-women-ultra-thin-5atm-waterproof-sport-fitness-tracking-ai-health-analysis-heart-rate-blood-oxygen-monioring","title":"R21 Smart Ring Men Women Ultra-thin 5ATM Waterproof Sport Fitness Tracking AI Health Analysis Heart Rate Blood Oxygen Monioring","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eActivity Tracked\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eActivity Tracker,Steps Tracker,Distance Tracker,Calorie Tracker\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBattery Capacity(mAh)\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e16mAh (13mAh for sizes 6 and 7)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMISIRUN\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCase Material\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSTEEL\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCertification\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003ece,FCC\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eFunction\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eHealth Monitoring\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eMemory storage capacity\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eRAM256KB NVM1.5MB\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eMetrics measured\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eHeart Rate Monitor,Sleep Monitor,Blood Oxygen Monitor,Body Temperature Monitor,Stress Monitor\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eModel Number\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eR21\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eWaterproof Grade\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e5ATM\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_image\"\u003e\n\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S81dc7825b75e40d1af29089089c480bfT.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S8e70cede1af643038c3876c05c68478fZ.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-title\"\u003eBasic Parameter\u003c\/p\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003eChipset Supplier: Nordic\u003cbr\u003eChipset: nRF 54L15\u003cbr\u003eAPP: QRing\u003cbr\u003eCompatible System: for Android 5.1 and above, IOS 9.0 and above\u003cbr\u003eMemory: RAM256KB NVM1.5MB\u003cbr\u003eBT: 5.4\u003cbr\u003eSensor: ST LIS2DOC\u003cbr\u003eHeart Rate: Tianyi Hexin 3697, Dual PD\u003cbr\u003eBattery: 16mAh (13mAh for sizes 6 and 7)\u003cbr\u003eCharging Method: Magnetic charging\u003cbr\u003eWaterproof: 5ATM\u003cbr\u003eRing charging time: about 1.5h\u003cbr\u003eAppearance material: Stainless steel\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-title\"\u003eMajor Function\u003c\/p\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003e--Daily activities: step count, distance, calorie calculation\u003cbr\u003e--Health Management: Heart rate monitoring, blood oxygen saturation, HRV (Heart Rate Variability), stress tracking, sleep tracking, multiple exercise modes, body temperature measurement, body battery level, breathing exercises\u003cbr\u003e--Other Features: Health Monitoring, Gesture Control, Ring Games, Remote Photography, Ring Finder, Women's Menstrual Reminder, Friends \u0026amp; Family Leader board, AI Analysis\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-title\"\u003eSoftware Feature\u003c\/p\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003e--Activity, sleep, heart rate, exercise recording, heart rate variability, blood oxygen, stress\u003cbr\u003e--Gesture control, health monitoring, device search, remote photography, ring game, themed skins\u003cbr\u003e--Unit format, 24-hour switching, low battery prompt\u003cbr\u003e--Supported languages: Danish, Ukrainian, Russian, Croatian, Hungarian, Hindi, Indonesian, Türkiye, Hebrew, Greek, German, Italian, Latvian, Czech, Slovak, Slovenian, Japanese, French, Polish, Thai, Estonian, Swedish, Lithuanian, Simplified Chinese, Traditional Chinese, Romanian, English, Dutch, Portuguese, Spanish, Vietnamese, Arabic, Korean, Malay\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_image\"\u003e\n\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S1e10674c4a504804a26e0e360be7665fZ.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S20273a2eda9445a0b625779d2236026fE.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S7861de1f900940d49364b811690c3f8aa.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S6ebb8c206a494aaaa2f02910abfd7b4eE.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sdc6934287aa5413c8addbf0f6718907fA.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sd157d3465dce4ab1b5383f9db718a140H.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S52a3123b012c496a816d3e14746c62d0P.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Se2e97d50d86141caaca9e95c946d2fcaN.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S6a0558c306cd4800918153c8fa802ac62.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S908069a423de45a68d1021cfd532cd2a8.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_image\"\u003e\n\u003cimg class=\"detail-desc-decorate-image\" 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