{"product_id":"ecg-blood-glucose-smartwatch-with-2-2-curved-display-carelders-qs21","title":"ECG Blood Glucose Smartwatch with 2.2\" Curved Display | Carelders QS21","description":"\u003ch3 data-start=\"188\" data-end=\"252\"\u003e\u003cstrong data-start=\"192\" data-end=\"250\"\u003eAerospace Aluminum Design with 2.2\" Curved Full Screen\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"253\" data-end=\"281\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0691\/1187\/3581\/files\/U21_-_1.jpg?v=1763964135\" alt=\"\" width=\"1274\" height=\"2118\"\u003e\u003c\/p\u003e\n\u003cp data-start=\"283\" data-end=\"518\"\u003eThe Carelders QS21 features an ultra-thin \u003cstrong data-start=\"325\" data-end=\"364\"\u003e2.2-inch curved full-screen display\u003c\/strong\u003e built with a premium \u003cstrong data-start=\"386\" data-end=\"413\"\u003eaerospace aluminum body\u003c\/strong\u003e.\u003cbr data-start=\"414\" data-end=\"417\"\u003eIts seamless design offers \u003cstrong data-start=\"444\" data-end=\"464\"\u003eclear visibility\u003c\/strong\u003e, \u003cstrong data-start=\"466\" data-end=\"489\"\u003elightweight comfort\u003c\/strong\u003e, and a modern high-end look.\u003c\/p\u003e\n\u003ch3 data-start=\"525\" data-end=\"573\"\u003e\u003cstrong data-start=\"529\" data-end=\"571\"\u003eDual-Engine ECG + PPG Hybrid Detection\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"574\" data-end=\"602\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0691\/1187\/3581\/files\/U21_-_5.jpg?v=1763964162\" alt=\"\" width=\"1086\" height=\"2155\"\u003e\u003c\/p\u003e\n\u003cp data-start=\"604\" data-end=\"864\"\u003eQS21 is equipped with \u003cstrong data-start=\"626\" data-end=\"654\"\u003eECG + PPG hybrid sensing\u003c\/strong\u003e, using sixth-generation technology to capture \u003cstrong data-start=\"701\" data-end=\"749\"\u003emulti-dimensional cardiac electrical signals\u003c\/strong\u003e with \u003cstrong data-start=\"755\" data-end=\"781\"\u003ehospital-grade clarity\u003c\/strong\u003e.\u003cbr data-start=\"782\" data-end=\"785\"\u003eWaveform accuracy is improved by \u003cstrong data-start=\"818\" data-end=\"826\"\u003e200%\u003c\/strong\u003e, supporting advanced heart screening.\u003c\/p\u003e\n\u003ch3 data-start=\"871\" data-end=\"921\"\u003e\u003cstrong data-start=\"875\" data-end=\"919\"\u003eMillisecond-Level ECG Waveform Recording\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"952\" data-end=\"1177\"\u003ePerform a \u003cstrong data-start=\"962\" data-end=\"984\"\u003e30-second ECG test\u003c\/strong\u003e anytime.\u003cbr data-start=\"993\" data-end=\"996\"\u003eThe watch generates \u003cstrong data-start=\"1016\" data-end=\"1046\"\u003edual-channel ECG waveforms\u003c\/strong\u003e and provides \u003cstrong data-start=\"1060\" data-end=\"1080\"\u003ecardiac analysis\u003c\/strong\u003e directly through the app—ideal for monitoring \u003cstrong data-start=\"1127\" data-end=\"1148\"\u003earrhythmia trends\u003c\/strong\u003e and overall heart condition.\u003c\/p\u003e\n\u003ch3 data-start=\"1184\" data-end=\"1228\"\u003e\u003cstrong data-start=\"1188\" data-end=\"1226\"\u003eReal-Time Cardiac Screening System\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1229\" data-end=\"1258\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0691\/1187\/3581\/files\/U21_-_10.jpg?v=1763964221\" alt=\"\" width=\"2049\" height=\"2828\"\u003e\u003c\/p\u003e\n\u003cp data-start=\"1260\" data-end=\"1435\"\u003eThe watch analyzes \u003cstrong data-start=\"1279\" data-end=\"1297\"\u003eECG morphology\u003c\/strong\u003e, \u003cstrong data-start=\"1299\" data-end=\"1325\"\u003ewaveform abnormalities\u003c\/strong\u003e, and \u003cstrong data-start=\"1331\" data-end=\"1364\"\u003epotential early cardiac risks\u003c\/strong\u003e, helping users gain deeper insight into their \u003cstrong data-start=\"1411\" data-end=\"1434\"\u003eheart health status\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 data-start=\"1442\" data-end=\"1484\"\u003e\u003cstrong data-start=\"1446\" data-end=\"1482\"\u003eAutomatic Temperature Monitoring\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1516\" data-end=\"1666\"\u003eBuilt-in precision sensors continuously track \u003cstrong data-start=\"1562\" data-end=\"1582\"\u003eskin temperature\u003c\/strong\u003e and \u003cstrong data-start=\"1587\" data-end=\"1607\"\u003ebody temperature\u003c\/strong\u003e, providing \u003cstrong data-start=\"1619\" data-end=\"1639\"\u003ereal-time alerts\u003c\/strong\u003e for abnormal fluctuations.\u003c\/p\u003e\n\u003ch3 data-start=\"1673\" data-end=\"1721\"\u003e\u003cstrong data-start=\"1677\" data-end=\"1719\"\u003e24\/7 Intelligent Heart Rate Monitoring\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1753\" data-end=\"1934\"\u003eThe upgraded heart-rate engine enables \u003cstrong data-start=\"1792\" data-end=\"1828\"\u003econtinuous heart rate monitoring\u003c\/strong\u003e, \u003cstrong data-start=\"1830\" data-end=\"1850\"\u003edynamic analysis\u003c\/strong\u003e, and \u003cstrong data-start=\"1856\" data-end=\"1886\"\u003eabnormal heart-rate alerts\u003c\/strong\u003e, ensuring safer everyday activity and exercise.\u003c\/p\u003e\n\u003cp data-start=\"1753\" data-end=\"1934\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0691\/1187\/3581\/files\/U21_-_14.jpg?v=1763965679\" alt=\"\" width=\"1840\" height=\"3085\"\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"1941\" data-end=\"1995\"\u003e\u003cstrong data-start=\"1945\" data-end=\"1993\"\u003eBlood Pressure Monitoring with Trend Reports\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1996\" data-end=\"2025\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0691\/1187\/3581\/files\/U21_-_16.jpg?v=1763964537\" alt=\"\" width=\"2042\" height=\"1561\"\u003e\u003c\/p\u003e\n\u003cp data-start=\"2027\" data-end=\"2219\"\u003eWith enhanced \u003cstrong data-start=\"2041\" data-end=\"2068\"\u003eFITBLOOD 4.0 technology\u003c\/strong\u003e, QS21 tracks \u003cstrong data-start=\"2082\" data-end=\"2123\"\u003esystolic and diastolic blood pressure\u003c\/strong\u003e, generating \u003cstrong data-start=\"2136\" data-end=\"2145\"\u003e7-day\u003c\/strong\u003e, \u003cstrong data-start=\"2147\" data-end=\"2157\"\u003e30-day\u003c\/strong\u003e, and \u003cstrong data-start=\"2163\" data-end=\"2173\"\u003e90-day\u003c\/strong\u003e trend charts for long-term health evaluation.\u003c\/p\u003e\n\u003ch3 data-start=\"2226\" data-end=\"2280\"\u003e\u003cstrong data-start=\"2230\" data-end=\"2278\"\u003eBlood Oxygen Monitoring + Sleep Apnea Alerts\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2281\" data-end=\"2310\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0691\/1187\/3581\/files\/U21_-_17.jpg?v=1763964557\" alt=\"\" width=\"1709\" height=\"1575\"\u003e\u003c\/p\u003e\n\u003cp data-start=\"2312\" data-end=\"2459\"\u003eThe watch offers \u003cstrong data-start=\"2329\" data-end=\"2348\"\u003eSpO₂ monitoring\u003c\/strong\u003e, detecting \u003cstrong data-start=\"2360\" data-end=\"2386\"\u003enighttime oxygen drops\u003c\/strong\u003e and potential \u003cstrong data-start=\"2401\" data-end=\"2422\"\u003esleep apnea risks\u003c\/strong\u003e with real-time respiratory analysis.\u003c\/p\u003e\n\u003ch3 data-start=\"2466\" data-end=\"2520\"\u003e\u003cstrong data-start=\"2470\" data-end=\"2518\"\u003e100+ Sports Modes with Full Training Metrics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2521\" data-end=\"2550\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0691\/1187\/3581\/files\/U21_-_18.jpg?v=1763965611\" alt=\"\" width=\"1627\" height=\"2577\"\u003e\u003c\/p\u003e\n\u003cp data-start=\"2552\" data-end=\"2759\"\u003eChoose from \u003cstrong data-start=\"2564\" data-end=\"2585\"\u003e100+ sports modes\u003c\/strong\u003e, including walking, running, cycling, rowing, and indoor training.\u003cbr data-start=\"2652\" data-end=\"2655\"\u003eThe watch records \u003cstrong data-start=\"2673\" data-end=\"2685\"\u003ecalories\u003c\/strong\u003e, \u003cstrong data-start=\"2687\" data-end=\"2695\"\u003epace\u003c\/strong\u003e, \u003cstrong data-start=\"2697\" data-end=\"2709\"\u003edistance\u003c\/strong\u003e, \u003cstrong data-start=\"2711\" data-end=\"2731\"\u003eheart rate zones\u003c\/strong\u003e, and \u003cstrong data-start=\"2737\" data-end=\"2758\"\u003eexercise duration\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 data-start=\"2766\" data-end=\"2815\"\u003e\u003cstrong data-start=\"2770\" data-end=\"2813\"\u003eContinuous Blood Oxygen Training Engine\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2816\" data-end=\"2845\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0691\/1187\/3581\/files\/U21_-_19.jpg?v=1763964628\" alt=\"\" width=\"920\" height=\"1403\"\u003e\u003c\/p\u003e\n\u003cp data-start=\"2847\" data-end=\"2987\"\u003eA six-core optical module ensures \u003cstrong data-start=\"2881\" data-end=\"2925\"\u003eaccurate all-day blood oxygen monitoring\u003c\/strong\u003e, essential for \u003cstrong data-start=\"2941\" data-end=\"2961\"\u003ebreathing health\u003c\/strong\u003e, especially during sleep.\u003c\/p\u003e\n\u003ch3 data-start=\"2994\" data-end=\"3044\"\u003e\u003cstrong data-start=\"2998\" data-end=\"3042\"\u003eBlood Lipid \u0026amp; Uric Acid Trend Evaluation\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"3045\" data-end=\"3074\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0691\/1187\/3581\/files\/U21_-_21.jpg?v=1763964647\" alt=\"\" width=\"1483\" height=\"1684\"\u003e\u003c\/p\u003e\n\u003cp data-start=\"3076\" data-end=\"3252\"\u003eAI-powered metabolic analysis helps evaluate trends in \u003cstrong data-start=\"3131\" data-end=\"3144\"\u003euric acid\u003c\/strong\u003e, \u003cstrong data-start=\"3146\" data-end=\"3161\"\u003echolesterol\u003c\/strong\u003e, \u003cstrong data-start=\"3163\" data-end=\"3180\"\u003etriglycerides\u003c\/strong\u003e, and other wellness indicators, supporting better long-term management.\u003c\/p\u003e\n\u003ch3 data-start=\"3259\" data-end=\"3307\"\u003e\u003cstrong data-start=\"3263\" data-end=\"3305\"\u003eProfessional Sleep Monitoring with HRV\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"3308\" data-end=\"3337\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0691\/1187\/3581\/files\/U21_-_22.jpg?v=1763964661\" alt=\"\" width=\"1566\" height=\"1359\"\u003e\u003c\/p\u003e\n\u003cp data-start=\"3339\" data-end=\"3512\"\u003eQS21 analyzes \u003cstrong data-start=\"3353\" data-end=\"3367\"\u003edeep sleep\u003c\/strong\u003e, \u003cstrong data-start=\"3369\" data-end=\"3384\"\u003elight sleep\u003c\/strong\u003e, \u003cstrong data-start=\"3386\" data-end=\"3400\"\u003eREM cycles\u003c\/strong\u003e, \u003cstrong data-start=\"3402\" data-end=\"3426\"\u003eovernight heart rate\u003c\/strong\u003e, \u003cstrong data-start=\"3428\" data-end=\"3450\"\u003ebreathing patterns\u003c\/strong\u003e, and \u003cstrong data-start=\"3456\" data-end=\"3463\"\u003eHRV\u003c\/strong\u003e, generating a full \u003cstrong data-start=\"3483\" data-end=\"3511\"\u003esleep quality assessment\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 data-start=\"3519\" data-end=\"3572\"\u003e\u003cstrong data-start=\"3523\" data-end=\"3570\"\u003eNon-Invasive Blood Glucose Trend Monitoring\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"3573\" data-end=\"3602\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0691\/1187\/3581\/files\/U21_-_23.jpg?v=1763965782\" alt=\"\" width=\"2043\" height=\"3232\"\u003e\u003c\/p\u003e\n\u003cp data-start=\"3604\" data-end=\"3791\"\u003eUsing advanced optical rheology, QS21 records \u003cstrong data-start=\"3650\" data-end=\"3680\"\u003eblood glucose fluctuations\u003c\/strong\u003e without finger pricks.\u003cbr data-start=\"3703\" data-end=\"3706\"\u003eDaily curves show \u003cstrong data-start=\"3724\" data-end=\"3745\"\u003eglucose stability\u003c\/strong\u003e, lifestyle influence, and long-term patterns.\u003c\/p\u003e\n\u003ch3 data-start=\"3798\" data-end=\"3836\"\u003e\u003cstrong data-start=\"3802\" data-end=\"3834\"\u003eSmart Daily Tools Integrated\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"3837\" data-end=\"3866\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0691\/1187\/3581\/files\/U21_-_25.jpg?v=1763964696\" alt=\"\" width=\"2052\" height=\"2895\"\u003e\u003c\/p\u003e\n\u003cp data-start=\"3868\" data-end=\"4032\"\u003eThe watch includes practical features such as \u003cstrong data-start=\"3914\" data-end=\"3934\"\u003eweather forecast\u003c\/strong\u003e, \u003cstrong data-start=\"3936\" data-end=\"3945\"\u003ealarm\u003c\/strong\u003e, \u003cstrong data-start=\"3947\" data-end=\"3965\"\u003ecamera control\u003c\/strong\u003e, \u003cstrong data-start=\"3967\" data-end=\"3990\"\u003ehydration reminders\u003c\/strong\u003e, \u003cstrong data-start=\"3992\" data-end=\"4005\"\u003estopwatch\u003c\/strong\u003e, and \u003cstrong data-start=\"4011\" data-end=\"4031\"\u003esedentary alerts\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 data-start=\"4039\" data-end=\"4083\"\u003e\u003cstrong data-start=\"4043\" data-end=\"4081\"\u003eMicro Physical Examination Feature\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"4084\" data-end=\"4113\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0691\/1187\/3581\/files\/U21_-_26.jpg?v=1763964727\" alt=\"\" width=\"2051\" height=\"2311\"\u003e\u003c\/p\u003e\n\u003cp data-start=\"4115\" data-end=\"4281\"\u003eA one-tap test evaluates \u003cstrong data-start=\"4140\" data-end=\"4158\"\u003eblood pressure\u003c\/strong\u003e, \u003cstrong data-start=\"4160\" data-end=\"4174\"\u003eheart rate\u003c\/strong\u003e, \u003cstrong data-start=\"4176\" data-end=\"4186\"\u003eoxygen\u003c\/strong\u003e, \u003cstrong data-start=\"4188\" data-end=\"4203\"\u003etemperature\u003c\/strong\u003e, \u003cstrong data-start=\"4205\" data-end=\"4215\"\u003estress\u003c\/strong\u003e, \u003cstrong data-start=\"4217\" data-end=\"4228\"\u003efatigue\u003c\/strong\u003e, and \u003cstrong data-start=\"4234\" data-end=\"4241\"\u003eHRV\u003c\/strong\u003e, creating a quick \u003cstrong data-start=\"4260\" data-end=\"4280\"\u003ewellness summary\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 data-start=\"4288\" data-end=\"4316\"\u003e\u003cstrong data-start=\"4292\" data-end=\"4314\"\u003eSOS Emergency Call\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"4317\" data-end=\"4346\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0691\/1187\/3581\/files\/U21_-_27.jpg?v=1763964747\" alt=\"\" width=\"1973\" height=\"2551\"\u003e\u003c\/p\u003e\n\u003cp data-start=\"4348\" data-end=\"4488\"\u003eLong-press SOS to instantly call \u003cstrong data-start=\"4381\" data-end=\"4410\"\u003epreset emergency contacts\u003c\/strong\u003e, providing added safety for seniors, outdoor users, and high-risk situations.\u003c\/p\u003e\n\u003ch3 data-start=\"4495\" data-end=\"4535\"\u003e\u003cstrong data-start=\"4499\" data-end=\"4533\"\u003eOffline Alipay Payment Support\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"4536\" data-end=\"4565\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0691\/1187\/3581\/files\/U21_-_28.jpg?v=1763964766\" alt=\"\" width=\"2051\" height=\"2274\"\u003e\u003c\/p\u003e\n\u003cp data-start=\"4567\" data-end=\"4672\"\u003eSupports \u003cstrong data-start=\"4576\" data-end=\"4603\"\u003eoffline QR-code payment\u003c\/strong\u003e, allowing users to complete purchases without carrying a smartphone.\u003c\/p\u003e\n\u003ch3 data-start=\"4679\" data-end=\"4715\"\u003e\u003cstrong data-start=\"4683\" data-end=\"4713\"\u003eIP67 Waterproof Protection\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"4716\" data-end=\"4745\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0691\/1187\/3581\/files\/U21_-_29.jpg?v=1763964797\" alt=\"\" width=\"2013\" height=\"3278\"\u003e\u003c\/p\u003e\n\u003cp data-start=\"4747\" data-end=\"4838\"\u003eThe QS21 is \u003cstrong data-start=\"4759\" data-end=\"4783\"\u003eIP67 water-resistant\u003c\/strong\u003e, safe for daily handwashing, rain exposure, and sweat.\u003c\/p\u003e\n\u003ch3 data-start=\"4845\" data-end=\"4894\"\u003e\u003cstrong data-start=\"4849\" data-end=\"4892\"\u003eSmart Notifications + Bluetooth Calling\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"4895\" data-end=\"4924\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0691\/1187\/3581\/files\/U21_-_30.jpg?v=1763964833\" alt=\"\" width=\"2051\" height=\"1447\"\u003e\u003c\/p\u003e\n\u003cp data-start=\"4926\" data-end=\"5084\"\u003eReceive \u003cstrong data-start=\"4934\" data-end=\"4943\"\u003ecalls\u003c\/strong\u003e, \u003cstrong data-start=\"4945\" data-end=\"4957\"\u003emessages\u003c\/strong\u003e, and \u003cstrong data-start=\"4963\" data-end=\"4984\"\u003eapp notifications\u003c\/strong\u003e (WhatsApp, Facebook, Gmail, SMS) directly on your wrist, with stable \u003cstrong data-start=\"5054\" data-end=\"5075\"\u003eBluetooth calling\u003c\/strong\u003e support.\u003c\/p\u003e\n\u003cp data-start=\"4926\" data-end=\"5084\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0691\/1187\/3581\/files\/U21_-_5_f276be24-63ad-4ad9-940d-a9374d386b5a.jpg?v=1763965829\" alt=\"\" width=\"1774\" height=\"3519\"\u003e\u003c\/p\u003e","brand":"Carelders","offers":[{"title":"Black","offer_id":44362335256621,"sku":"QS21-BLACK","price":88.88,"currency_code":"USD","in_stock":true},{"title":"Pink","offer_id":44362335289389,"sku":"QS21-PINK","price":88.88,"currency_code":"USD","in_stock":true},{"title":"Gray","offer_id":44362335322157,"sku":"QS21-GRAY","price":88.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0691\/1187\/3581\/files\/QS21_2.png?v=1763966072","url":"https:\/\/carelders.com\/products\/ecg-blood-glucose-smartwatch-with-2-2-curved-display-carelders-qs21","provider":"Carelders","version":"1.0","type":"link"}