Color: black, pink, red, whitePackaging Specifications: 20mm silicone strap (with switch ear) + clip-type charging cableHardware SpecificationsMain chip: Realtek RTL8762CMemory size: SRAM: 128kG-sensor model: SC7A20Heart rate sensor model: Tianyihexin 3300Display specification: 1.55-inch square color screen, resolution 240*240Button mode: multi-touch screen + physical buttonBattery Type: Polymer BatteryCharging head specifications: voltage 5.0V/current 1A or lessCharging method: cable clip chargingMotor 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 5.0Battery capacity 180MAHBracelet display language: Chinese, Traditional Chinese, English, German, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Italian, PortugueseBracelet push language: English, German, French, Italian, Greek Latin, Spanish, Portuguese, Romanian, Polish, Russian, Ukrainian, Ruthenian, Belarusian, Bulgarian, Serbian English, Macedonian, Croatian, Bosnian, Thai, Hindi, Sanskrit, Nepali, Cambodian, Vietnamese, Lao, Persian, Kurdish, Pashto, Punjabi, Turkic, Persian Berber, Malay, TurkishAPP languages: English, Arabic, Danish, German, Spanish, Finnish, French, Italian, Japanese, Korean, Dutch, Norwegian, Polish, Portuguese, Russian, Swedish, Thai, Ukrainian, Chinese , Traditional Chinese, VietnameseMobile phone system requirements: iPhone 4S / 5 / 5S / 5C / 6 / 6 Plus/6s/6s plus with iOS 9.0 and above/SE/7 /7 plus; Android smartphone compatible with Android 4.4 and above, and supports Bluetooth 4.0,but doesn't support android goFeaturesExercise record: Step count, exercise time, exercise mileage, calorie consumption, sleep monitoring, save 30-day exercise (APP)/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, incoming 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 phone"Other functions: Custom dials, massive online dials, flipping the wrist to brighten the screen, time display, remote photography, theater mode settingsFind wristbands, WeChat sports support APP air upgrade, multi-sport modes (8 kinds of running/walking/cycling, etc.);Weight/packing: bracelet + silicone strap 31.5g; strap + packaging: 70g box size: heaven and earth box 14.7*7.4*2.5CM standard box 100PCS;