1.43 inch AMOLED full circle HD large screen with a resolution of 466*466. Give you a bigger and clearer visual experience, a highly sensitive touch screen Massive dials are constantly updated online, and you can choose anyone in the APP at will The watch supports checking the world clock, and you can check the time all over the country at any time Support Bluetooth calling, talk and dial through your watch, you can talk while driving 260mAh large capacity battery and intelligent power consumption algorithm are adopted, maximizing power usage PPG biological tracking optical sensor, which can conveniently measure body temperature, heart rate, blood oxygen, blood pressure, and female physiological cycle management, know your health anytime, anywhere The watch supports all-weather sleep monitoring, deep and shallow sleep at night can be monitored and recorded Multiple exercise modes, which can monitor the heart rate, distance, heat consumption and other important data, unlock different sports skills Intelligent NFC access control, once you touch the access card, lift your wrist to open the door Support music control and music playing. You can control music playing through Bluetooth Waterproof and dust-proof design, can be worn normally in daily rain, hand washing and cold showers. Unable to prevent water vapor, easy to deal with daily life scenes Specification: Chip: 7012A6S APP: CO-FIT Compatible systems: Android5.0 and above, IOS9.0 and above Memory: RAM: 640KB, ROM: 2MB, Flash: 128M Screen type: AMOLED Screen size: 1.43 inches Pixel: 466*466 Touch type: Full screen touch Bluetooth: BT5.2 WIFI: Not supported NFC: support Gravity sensor: Support Gyroscope: Not supported Heart rate: VP60 GPS: Not supported Battery type: lithium polymer Capacity: 260mAh Charging method: Magnetic charging cable CO-FIT: Download massive watch dials, upload photos, step counting, heart rate, sleep, sedentary time, mileage, blood oxygen, blood pressure, mobile search, calories, Bluetooth, information, WeChat, QQ and other push notifications Search function, alarm clock setting, drinking water reminder, gesture control, do not disturb mode, reminder mode Phone call, SMS, WeChat, QQ, Facebook, Twitter, Instagram, Skype, WhatsAPP, Line, Kakao Talk, etc. Supported languages: Danish, Ukrainian, Urdu, Russian, Hungarian, Indonesian, Turkish, Bengali, Hebrew, Greek, German, Italian, Czech, Japanese, French, Polish, Thai, Swedish, Simplified Chinese, Traditional Chinese, Finnish, English, Dutch, Portuguese, Spanish, Vietnamese, Arabic, Korean Waterproof grade: IP67 Charging time: about 2H Battery life: about 5-7 days of use, 30 days of standby Product languages: Chinese, English, German, Russian, Portuguese, Spanish, French, Japanese, Arabic, Dutch, Italian, Czech, Greek, Hebrew, Indonesian, Korean, Malaysian, Polish, Thai, Vietnamese, Finnish, Romanian, Turkey, Croatia Message reminder language: text display Material: main body: alloy + tempered glass, wrist strap: silicone strap