1.96 inch square screen HD dazzling display, 410*502px, brings a clear visual experience Support Bluetooth calling, HD voice quality call, convenient to use Built-in many different styles of dials, you can switch freely Support multiple exercise modes, which can monitor the heart rate, distance, heat consumption and other important data, unlock different sports skills The professional heart rate optical sensor is used to automatically collect heart rate data every half an hour lt integrates various health management functions such as blood pressure monitoring, blood oxygen monitoring and scientific sleep management 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: 1.96 inches Pixel: 410*502 Touch type: Full screen touch Bluetooth: BT5.2 WIFI: Not supported NFC: support Gravity sensor: Support Gyroscope: Not supported 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: English, Chinese Simplified, Turkish, Russian, Spanish, Italian, Portuguese, German, French, Dutch, Polish, Czech, Hungarian, Slovak, Japanese, Danish, Finnish, Norwegian, Swedish, Serbian, Thai, Hindi, Vietnamese, Arabic, Hebrew, Bengali, Romanian, Croatian, Malaysian Message reminder language: text display Material: main body: zinc alloy + tempered glass