Do not use while swimming, or bathing, and do not submerge the smart watch in water. Smart Watch Bluetooth Call ECG Heart Rate Monitor Sports*Compatible system: Android4.4 or above, IOS8.0or above Features：Call Function:Connect the mobile phone, the watch can answer and make calls.SMS:Text messaging on mobile phones Synchronous push by Bluetooth Health monitoring function:heart rate monitoring,sedentary reminder, sleep monitoring, automatic heart rate monitoring, etc.Sports mode: Pedometer, calories, distance, sport modePhone calls reminder: vibration reminder Clock display: Various modesfree switch, Click to switch Bidirectional anti-lost :lost remind, bidirectional search Pedometer: Movement step recorder Sedentary reminder: Sedentary reminder Charge：USB chargingOther features: alarm clock, calendar, etcDevice support languages:Chinese, Traditional, English, German, Spanish, Italian, French, Portuguese (Portugal), Portuguese (Brazil), Russian, Indonesian, Malay, Polish, Vietnamese, Hebrew, Arabic, Persian , Thai, Burmese, Turkish, Japanese, Korean Specification :Dimension:44*38*10.7mmBattery capacity:210MAHWeight：50gScreen size: 1.54inchsBluetooth Ver 4.0 Package Includes:1 x Smart Watch1 x Charging Cable1 x User ManualClick below table for more Choices: