{"product_id":"bp-ecg-20-4g-gps-ecg-smartwatch","title":"ECG 20 4G GPS ECG Smartwatch — SIM Calling, SpO2 \u0026 AMOLED","description":"\u003cp\u003e\u003cstrong\u003eECG 20\u003c\/strong\u003e is a 4G ECG health smartwatch with its own SIM slot, GPS, and a 1.43-inch AMOLED display. The case is black. You choose the strap: silicone in black, blue, or red, or leather in black or brown.\u003c\/p\u003e\n\n\u003ch2\u003e4G calls without your phone\u003c\/h2\u003e\n\u003cp\u003eInsert a SIM card for standalone HD calls on the 4G plus Bluetooth dual-mode radio listed in the specification. Bluetooth stays available when the watch is paired with a phone. Network bands depend on the SIM you insert, so check compatibility with your carrier before you rely on wrist calling. The factory artwork on some sheets says 5G; this listing follows the specification, which states 4G + Bluetooth.\u003c\/p\u003e\n\n\u003ch2\u003eECG on the wrist\u003c\/h2\u003e\n\u003cp\u003eThe LH001-91 ECG chip and nano ECG glass sit behind a stainless ECG key on the case. Touch the side electrode, keep still, and review the waveform in the \u003cstrong\u003eGaoFit\u003c\/strong\u003e app. Labels in the app are wellness information for reference only. They do not diagnose a condition.\u003c\/p\u003e\n\n\u003ch2\u003eDaily health estimates\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeart rate and SpO2\u003c\/strong\u003e — VC30F sensor, with a high heart-rate vibration alert.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature and respiratory rate\u003c\/strong\u003e — CT1711 temperature array, plus a breathing-rate reading.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSleep\u003c\/strong\u003e — light sleep, deep sleep, and awake time in the app.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBlood pressure trend\u003c\/strong\u003e — an optical estimate, not an inflatable cuff.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGlucose, uric acid, and blood lipids\u003c\/strong\u003e — non-invasive estimates for reference only, not a laboratory result.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOne-button mini check\u003c\/strong\u003e — several of these readings gathered from the watch.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eGPS, SOS, and everyday tools\u003c\/h2\u003e\n\u003cp\u003eMulti-satellite GPS records a movement track. SOS calling and a fall alert are listed features: save an emergency contact, and test the call. They do not replace emergency services. The watch also includes multi-sport mode, steps, calories, distance, weather, a sedentary reminder, flashlight, remote camera, timer, stopwatch, calculator, and calendar. NFC access and Alipay offline payment work only where those services are available.\u003c\/p\u003e\n\n\u003ch2\u003eBattery, build, and straps\u003c\/h2\u003e\n\u003cp\u003eA 730 mAh battery is specified for about 3–5 days of use and up to 20 days on standby. Magnetic charging takes about 3–4 hours. The case uses an LDS shell with a black high-gloss back and IP65 splash resistance. IP65 is for daily splashes, not swimming. Five straps ship as the watch options. The black steel strap is a separate add-on: \u003ca href=\"\/de\/products\/bp-ecg-20-black-steel-strap\"\u003ebuy one for $29 and get a second strap free\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eECG 20 (factory G20)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eECG\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003e1.43-inch AMOLED, 466 × 466, full touch\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eNetwork\u003c\/td\u003e\n\u003ctd\u003e4G + Bluetooth 5.0 BLE dual-mode standby, independent SIM\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eGPS\u003c\/td\u003e\n\u003ctd\u003eASR5311, multi-satellite positioning and route\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMain chip\u003c\/td\u003e\n\u003ctd\u003eASR3603S + PAR2822\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eECG\u003c\/td\u003e\n\u003ctd\u003eLH001-91, nano ECG glass, side electrode\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eHeart rate \/ SpO2\u003c\/td\u003e\n\u003ctd\u003eVC30F\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eTemperature\u003c\/td\u003e\n\u003ctd\u003eCT1711 array\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMotion\u003c\/td\u003e\n\u003ctd\u003eST8321-W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBattery\u003c\/td\u003e\n\u003ctd\u003e730 mAh, about 3–5 days use, up to 20 days standby\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCharging\u003c\/td\u003e\n\u003ctd\u003eMagnetic, about 3–4 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eWater resistance\u003c\/td\u003e\n\u003ctd\u003eIP65, daily splash, not for swimming\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCase\u003c\/td\u003e\n\u003ctd\u003eBlack only\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eStraps on this watch\u003c\/td\u003e\n\u003ctd\u003eSilicone black, blue, red; leather black, brown\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e265 × 41 × 15 mm (length × width × height, strap included)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eApp\u003c\/td\u003e\n\u003ctd\u003eGaoFit, Android 7.0+ and iOS 13+\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eWatch and app languages\u003c\/td\u003e\n\u003ctd\u003eEnglish, Russian, German, Spanish, Italian, French, Portuguese, Polish, Czech\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eIn the box\u003c\/td\u003e\n\u003ctd\u003eWatch, charging cable, manual, box, ECG guide card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eIs ECG 20 a 5G watch?\u003c\/h3\u003e\n\u003cp\u003eNo. The specification lists 4G plus Bluetooth dual-mode standby and an independent SIM for HD calls. Some factory pictures say 5G. Those pictures are not used on this page.\u003c\/p\u003e\n\u003ch3\u003eDoes calling work on every carrier?\u003c\/h3\u003e\n\u003cp\u003eOnly if your SIM and the watch support the same bands. Confirm with your carrier before you count on standalone calling.\u003c\/p\u003e\n\u003ch3\u003eCan it diagnose a heart condition?\u003c\/h3\u003e\n\u003cp\u003eNo. ECG and the other health screens are for wellness reference. See a clinician for symptoms or treatment.\u003c\/p\u003e\n\u003ch3\u003eIs the blood pressure reading from a cuff?\u003c\/h3\u003e\n\u003cp\u003eNo. It is an optical trend estimate, not an inflatable cuff measurement.\u003c\/p\u003e\n\u003ch3\u003eHow long does the battery last?\u003c\/h3\u003e\n\u003cp\u003eThe specification says about 3–5 days of use and up to 20 days on standby, from a 730 mAh battery. Magnetic charging takes about 3–4 hours.\u003c\/p\u003e\n\u003ch3\u003eCan I swim with it?\u003c\/h3\u003e\n\u003cp\u003eNo. IP65 covers daily splashes, not swimming or showering.\u003c\/p\u003e\n\u003ch3\u003eWhere is the steel strap?\u003c\/h3\u003e\n\u003cp\u003eIt is not one of the five watch options. It is sold separately as a black steel strap, buy one get one free, at $29.\u003c\/p\u003e\n\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0629\/9035\/2608\/files\/bp-ecg-20-4g-ecg-smartwatch-detail-feature-overview.jpg?v=1792647497\" alt=\"ECG 20 health smartwatch feature overview with ECG, SOS, sports, and battery\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0629\/9035\/2608\/files\/bp-ecg-20-4g-ecg-smartwatch-detail-ecg-app-report.jpg?v=1792647537\" alt=\"ECG 20 ECG waveform review in the GaoFit app, for reference only\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0629\/9035\/2608\/files\/bp-ecg-20-4g-ecg-smartwatch-detail-ecg-glass-case.jpg?v=1792647562\" alt=\"ECG 20 nano ECG glass, metal case, and silicone strap\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0629\/9035\/2608\/files\/bp-ecg-20-4g-ecg-smartwatch-detail-ecg-measurement.jpg?v=1792647574\" alt=\"ECG 20 showing how to touch the side electrode for an ECG reading\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0629\/9035\/2608\/files\/bp-ecg-20-4g-ecg-smartwatch-detail-mini-health-check.jpg?v=1792647587\" alt=\"ECG 20 one-button mini health check on the wrist\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0629\/9035\/2608\/files\/bp-ecg-20-4g-ecg-smartwatch-detail-sos-fall-alert.jpg?v=1792647605\" alt=\"ECG 20 SOS screen and fall-alert scene\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0629\/9035\/2608\/files\/bp-ecg-20-4g-ecg-smartwatch-detail-temperature.jpg?v=1792647616\" alt=\"ECG 20 wrist temperature trend on the watch\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0629\/9035\/2608\/files\/bp-ecg-20-4g-ecg-smartwatch-detail-glucose-trend.jpg?v=1792647624\" alt=\"ECG 20 non-invasive glucose trend in the app, reference only\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0629\/9035\/2608\/files\/bp-ecg-20-4g-ecg-smartwatch-detail-blood-lipids.jpg?v=1792647640\" alt=\"ECG 20 blood lipid estimate on the watch, reference only\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0629\/9035\/2608\/files\/bp-ecg-20-4g-ecg-smartwatch-detail-uric-acid.jpg?v=1792647659\" alt=\"ECG 20 uric acid estimate on the watch, reference only\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0629\/9035\/2608\/files\/bp-ecg-20-4g-ecg-smartwatch-detail-heart-rate.jpg?v=1792647674\" alt=\"ECG 20 24-hour heart rate trend and high-heart-rate alert\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0629\/9035\/2608\/files\/bp-ecg-20-4g-ecg-smartwatch-detail-blood-pressure-trend.jpg?v=1792647695\" alt=\"ECG 20 optical blood pressure trend, not a cuff measurement\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0629\/9035\/2608\/files\/bp-ecg-20-4g-ecg-smartwatch-detail-respiratory-rate.jpg?v=1792647707\" alt=\"ECG 20 respiratory rate screen on the red silicone strap\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0629\/9035\/2608\/files\/bp-ecg-20-4g-ecg-smartwatch-detail-sleep-monitoring.jpg?v=1792647729\" alt=\"ECG 20 sleep stages and sleep summary in the app\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eThis product is not a medical device. ECG, heart rate, SpO2, temperature, blood pressure, glucose, uric acid, and blood lipid readings are wellness estimates for reference only. They are not a diagnosis and not a substitute for a lab test or a clinician. Contact emergency services in an urgent situation.\u003c\/em\u003e\u003c\/p\u003e","brand":"BP Doctor","offers":[{"title":"Black Silicone","offer_id":68087011344608,"sku":"ECG-20-TPU-BK","price":189.0,"currency_code":"USD","in_stock":true},{"title":"Blue Silicone","offer_id":68087011377376,"sku":"ECG-20-TPU-BU","price":189.0,"currency_code":"USD","in_stock":true},{"title":"Red Silicone","offer_id":68087011410144,"sku":"ECG-20-TPU-RD","price":189.0,"currency_code":"USD","in_stock":true},{"title":"Black Leather","offer_id":68087011442912,"sku":"ECG-20-LT-BK","price":189.0,"currency_code":"USD","in_stock":true},{"title":"Brown Leather","offer_id":68087011475680,"sku":"ECG-20-LT-BR","price":189.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0629\/9035\/2608\/files\/bp-ecg-20-4g-ecg-smartwatch-main-black-silicone_8a8be012-8cca-40c9-8e35-3541eab86b31.jpg?v=1792647838","url":"https:\/\/bpdoctormed.com\/de\/products\/bp-ecg-20-4g-gps-ecg-smartwatch","provider":"bpdoctormed","version":"1.0","type":"link"}