Before your order, please pay attention to the differences between each version.(As shown in pictures) 1.Description: Global Version Smart Watch HW22(Standard Version) 1.75inch; HD IPS Full Touch Color Screen MTK-2502D Chip Fitness Tracker Support Sleep/Heart Rate/Blood Pressure Monitor/Multiple Sports Modes/BT Call/Music/Sedentary Reminder/Messages Push Smartwatch Compatible with Android iOS Phones 2.Features: Support accurate monitoring heart rate and real-time sleep monitoring. Equipped with quality MTK-2502D chip to provide watches sufficient hardware support makes the watch operate faster and more stable. Adopt 1.75inch; HD IPS Full touch color screen, 320*385 high resolution bringing richer picture details and more delicate display effects. 180mAh battery capacity with low power consumption getting rid of frequent charging. Synchronize with mobile phone, support SMS reminder/push, WeChat, Facebook, Twitter and other social application messages can also be pushed to the watch. Remote camera control function and exercise data recording can be realized by M2 Wear APP. Voice Assistant which supports mainstream mobile phones on the market for superb convenient. Various and beautiful dial interfaces, UI and interesting games preset in the watch bring you excellent user experience. 3.Specifications: Basic Parameter Bracelet size（mm） 45*38.3*12.8mm Weight 50g Color White, black, pink, blue, green Major function Recording, sports mode (outdoor running, walking, climbing indoor running), heart rate, sleep monitoring, message notification, BT call, calendar, sedentary reminder, blood oxygen, calculator, call record, SMS, music, step counting, blood pressure, remote photo, alarm clock, setting, Siri, menu special effect, drinking water reminder Hardware parameter Chip MTK-2502D APP M2 Wear Compatible System Android 5.0 and above; IOS9.0 and above FLASH memory 64MB Screen size 1.75” Resolution IPS 320*385 Touch type Full touch screen Connection BT BT 3.0/4.0 Sensor G-Sensor SC7A20 Battery Type Lithium polymer battery Capacity 3.7V/180mAh Charging Method Magnetic seat charging Language APP Language Default language: English English French Arabic German Indonesian Italian Malaysian Persian Spanish Russian Vietnamese Thai Czech Turkish Polish Portuguese Greek Philippine Korean Japanese Chinese Traditional Chinese Watch Language UI message push support: English, Arabic, Persian, Thai, Vietnamese, French, Czech, Turkish, Polish, Russian, Spanish, Portuguese, Greek Other Parameter Waterproof Level Life waterproof Charging time 1.5H Life time 3 Days Wristband size Total length 226.6mm, width 21mm Appearance material Zinc alloy 4.Note: This product is not a medical device. The measurement data is intended for reference purposes only and should not be used to diagnose or monitor medical conditions. Battery life varies with use and other factors. There is a little of difference according to manual measurement. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same. 5.Package List: 1*Smart watch 1*Manual(EN)