Product SpecificationsColor: tawny, rose gold, silverPackaging specifications: 42mm extended APP silicone strap (with switch ear) + magnetic charging cableHardware SpecificationsMain chip: Realtek RTL8762C+BK3266 (Bluetooth call function chip)Memory size: SRAM: 128k\SROM: 1MG-sensor model: SC7A20Heart rate sensor model: Tianyihexin 3300Display specification: 1.72-inch square color screen, resolution 240*280Button mode: multi-touch screen + physical buttonBattery type: polymer batteryCharging head specifications: charging 1A or lessCharging method: Magnetic charging methodSpeaker type: BOX1508Motor Type: Flat 0825Other parametersStandby power consumption: Standby for 30 days, normal use for 3-7 days (depending on the user's usage and frequency)Bluetooth type: Bluetooth 4.0Battery capacity: 230mAhCharging voltage: 5VCharging current: 75MABracelet display language: Chinese, English, Russian, Spanish, Portuguese, French, JapaneseBracelet push language: English, German, French, Italian, Greek Latin, Spanish, Portuguese, Romanian, Polish, Russian, Ukrainian, Ruthenian, Belarusian, Bulgarian, Serbian , Macedonian, Kro,Asian, Bosnian, Thai, Hindi, Sanskrit, Nepali, Cambodian, Vietnamese, Lao, Persian, Kurdish, Pashto, Punjabi, Turkic, Berber, Malay, TurkishAPP languages: English, Arabic, Danish, German, Spanish, Finnish, French, Italian, Japanese, Korean, Dutch, Norwegian, Polish, Portuguese, Russian, Swedish, Thai, Ukrainian, Chinese, Chinese Traditional, VietnameseMobile phone system requirements: iPhone 6 / 6 Plus/6s/6s plus/SE/7/7 plus with iOS 8.0 and above;Compatible with Android 4.4 and above, and Android smartphones that support Bluetooth 4.0FeaturesExercise record: step counting, exercise time, exercise mileage, calorie consumption, sleep monitoring, save 30 days of exercise/sleep dataHealth monitoring: real-time heart rate measurement (dynamic, static), blood pressure measurement (timed blood pressure measurement can be set), blood oxygen measurementSmart reminder: custom alarm clock reminder, sedentary reminder, call reminder, information push (SMS/QQ/WeChat)Taobao, Alipay, Facebook, Twitter, whatAPP, Instagram, LinkedIn, messenger, Skype, line, kakaotalk, Gmail, Snapchat, push the information prompted by the mobile phoneOther functions: custom dials, massive online dials, turning the wrist to brighten the screen, time display, remote photography, cinema mode settings, search bracelets, WeChat sports, support for APP air upgrades, multi-sport modes (running/walking/cycling, etc.) 8 kinds)