2.1" ultra-clear and colorful large screen, 90% screen-to-body ratio, data display is more comprehensive, the colors are rich and delicate, and the pictures are realistic and lifelike 24-hour automatic monitoring, integrated with EHRA heart rate technology. The new all-day automatic heart rate sensor supports intelligent real-time monitoring, manual real-time monitoring and automatic uploading of data to the APP The latest HX3605 sensor provides red light blood oxygen support for smart watches. Snoring while sleeping will cause short-term apnea. The biggest harm is hypoxia. The watch provide nighttime blood oxygen monitoring and wakes up from low oxygen at night to protect your safety RESTFUL sleep technology and sleep scoring system, deep sleep analysis, skin pulse detection 40 times per second, increased accuracy by60%, clearly displays sleep status on the watch and APP, and guides users to improve sleep quality through a sleep guidance plan SOS function, one-click call in case of emergency Wireless Bluetooth-compatible call function, one-click answer is more convenient Specifications: Basic parameters Product number F70 mobile operating system iOS: Supports 10.0 and above systems,Android: Supports 5.0 and above systemsHarmony OS: All supported APP Joeme fit The main function Key functions: SOS, red light blood oxygen, non-invasive blood sugar, MET, phone calls, 100+ exercise modesDaily functions: step counting, distance, calories, voice assistant, heart rate, blood pressure, body temperature test, sleep monitoring, breathing training, music playback, stopwatch, timer, calculator, mini games, time and date settings, weather display, female menstrual period Tracking, raise your wrist to light up the screen, remote control to take photos, search for mobile phones, incoming call reminders, message reminders, alarm clock reminders, sedentary reminders, heart rate alarm reminders, standard reminders, drinking water reminders, etc.Watch faces: 3 default watch faces + 1 watch face market watch face + 1 custom watch faceMenu style: built-in 7 menu styles Sport mode 100+ types:Running and walking: 6 sportsCycling: 4 sportsOutdoor sports: 10 sportsIndoor sports: 24 sportsCombat Sports: 12 SportsBall sports: 29 sportsIce and Snow Sports: 13 SportsChess and card sports: 5 sportsOther sports: 5 sports master control JL7013A + 64M FLASH Gsencor sensor STK8321_W heart rate sensor TYHX3605-P4 Vibration reminder Motor vibration reminder waterproof level IP67 APP supported languages Supports 36 languages:English, Simplified Chinese, Traditional Chinese, Arabic, Bengali, Czech, Danish, German, Greek, Spanish, Farsi, Finnish, French, Hindi, Croatian, Hungarian, Indonesian, Italian English, Hebrew, Japanese, Korean, Lithuanian, Malay, Norwegian, Dutch, Polish, Portuguese, Romanian, Russian, Slovak, Swedish, Thai, Turkish, Ukrainian, Uzbek Erdu, Vietnamese Watch supported languages 3 dial languages are default: English, Chinese, Japanese 9 countries:Simplified Chinese, Traditional Chinese, Japanese, English, German, French, Spanish, Thai, Russian Watch push language Chinese, Japanese, Korean, Latin, Cyrillic; Latin includes: (English, French, Spanish, Portuguese, German, Dutch, Vietnamese, Northern Europe, Central Europe, Southern Europe Italian, Southeast Asia, Africa); Cyrillic Erwin includes: (Russian, Eastern European, Asian), covering 150 countries Display size 2.10" square screen resolution: 280*320</td