Features: Main Features: - Bluetooth Synchronization With Bluetooth 4.0, this smart bracelet is available for smartphones with Bluetooth function - Professional Heart Rate Detection Whether you are resting or doing sports, detect your heart rate accurately - Intelligent Anti-lost Watch will send an alarm after leaving the mobile phone in a certain distance, no need to worry about losing your phone - Remote Camera Control your smartphone to take photos, catching every moment you want - Sport Monitor This smart bracelet can record steps, calories and distance, so you can know your sports data, adjust your exercise program and live a healthier life - Sleep Monitor Accurately monitor total effective sleeping time and motion time every night, helping you develop good living habits - Sedentary Reminder Develop scientific habits and effectively resist sub-health Compatible with Android 4.3 and above, IOS 7.0 and above, with Bluetooth 4.0 Phone. APK Language: Chinese, English.French.German.Italian.Russian.Spanish.Portuguese.Korean.Japanes etc Bluetooth version: Bluetooth 4.0 People: Female table,Male table Waterproof: Yes Waterproof Rating : IP67 Screen: Yes Screen type: OLED Compatible OS: Android,IOS Compatability: Android 4.3 / iOS 7.0 and above system Battery Type: Lithium Polymer Battery Battery Capacity: 90mAh Power: Built-in Battery Package content: 1 * smart bracelet