Health monitoring functions: heart rate measurement, blood pressure measurement, and sleep monitoring, sports status monitoring, etc.With built-in 200mAh battery, long working time for daily use, standby time up to 10-15 daysA large color screen of 1.69 inches, multiple dial display for your choiceBluetooth connectivity, stable signals, and low power consumptionNever missing messages and phone calls, it can save massage records, like WeChat, QQ, Facebook, etcWidely compatible with Android 4.4 or above and iOS 8.0 or above smartphonesGreat for old people, boy, girl, suitable for most people who need to monitor the health conditionSpecification:Screen size: 1.69&39;&39;Battery capacity: 200mAhStandby time: 10-15 daysOperation method: Touch+ButtonCharging port: USB2.0Wireless distance: 5m-10mSystem Requirements: Support Android 4.4 and above, Apple IOS 8.0 or aboveSize: 42*42*12.8mmPackage included:1 x Watch1 x English and Chinese User ManualOther things not included