Large screen: 1.83-inch TFT high-definition color screen, combined with 240*284 resolution, can browse information clearly even in strong light, with bright, realistic and delicate images IP67 level deep waterproof: The watch is equipped with a precision waterproof ring, IP67 level deep waterproof, which is not afraid of wind and rain, whether it is sports sweat, domestic water, rain, swimming, etc., and can be worn with confidence Over 100 types of sports: Covering 8 major categories with over 100 sports modes, while optimizing and accurately recording certain sports modes to further enhance the experience Intelligent Bluetooth calling: When there are important calls for outdoor sports, work, household chores, etc., you can answer them at any time or reject them. Check the contact person for incoming calls and never miss important contacts 24/7 heart rate and blood oxygen monitoring: The PPG sensor with multi-channel layout supports 24/7 heart rate monitoring and blood oxygen saturation monitoring, issuing warning reminders when the heart rate is too high, helping you accurately track changes in health data Scientific sleep monitoring: Based on monitoring vital signs such as heart rate, scientifically monitor the heart rate during sleep for multi-stage analysis of wakefulness, light sleep, deep sleep, eye movement, etc., providing sleep quality and helping you fall asleep with peace of mind Specifications: Functions Bluetooth calling/music playback/games/multi-style menu/voice assistant/weather/remote camera Blood oxygen/blood pressure/heart rate/sleep monitoring Sports mode: multiple sports modes Pedometer/Alarm/Timer/Stopwatch Massive watch faces/power saving mode/vibration mode Message Push News push: phone, message, QQ, WeChat, Facebook, Twitter, WhatsApp, Linkedin, Lnstagram, Messenger, Snapchat, Line, kakao talk, viber, skype, telegram Language 10 languages ??by default; Simplified Chinese, English, German, French, Spanish, Russian, Ukrainian, Arabic, Portuguese, ItalianSupport push languages: Push languages: English, German, French, Italian, GreekLatin, Spanish, Portuguese, Romanian, PolishRussian, Ukrainian, Rusyn, Belarusian, Bulgarian, Serbian, Macedonian, Croatian, Bosnian,Thai, Hindi, Sanskrit, Nepali, Cambodian, Vietnamese, LaotianPersian, Kurdish, Pashto, Punjabi, Turkic, Berber, Malay, Turkish Specifications screen 1.83inches resolution 240*284 System Android 5.0 and above, iOS 10 and above, Bluetooth 4.0 support Bluetooth version Dual Bluetooth BLE5.3 Chip JL7012F6 Battery 300mAh memory 64 Charging way Magnetic charging Waterproof level IP67 material ABS+PC+zinc alloy Sensor LC09A Band width 22mm Download/Install Application Android and Apple App Synchronization: Dafit