Specifications:CPU: RTL8762DK + HN333RAM+ROMRAM: 256KB + ROM: 192KB(Flash64MB)Screen Display: 1.83 IPS Large screen HD display, Resolution 240*283,Battery Capacity: 410mAh Lithium polymer batteryFunction:BT callingHeart rate monitoring, Blood oxygen monitoring, Blood pressure monitoringTime Display, Pedometer, Calorie Consumption, Distance,Multiple sport modesSleep monitoring (Sleep time, Sleep quality)Calls to remind, SMS Reminder, Third-party messaging reminder: Multilingual notificationTask Reminder (Sedentary reminder)Synchronous data to APPAPP: FitCloudProWatch Languages:Chinese, English, German, French, Italian, Spain, Japanese, Polish, Russian, Portuguese, Vietnam, Korean, Arabic, Hebrew, Thai, Croatian, Turkish, Czech, Dutch, Malaysian, Finnish, Greek, Romanian