Features: * 0.96 inch OLED 96 * 96 resolution touch screen * Bluetooth 4.0 (low power), IP54 protection level * Bulit-in 70mAh Polymer battery, charging time about 2h, standby time 7-10days * Dynamic heart rate detection: can better record the calorie consumption and master your overall health condition more accurate * Smart calls & messages reminder: You can look through incoming calls, meassages and date reminders by the device on your wrist. * Compatible systems: for Android 4.3 and above, iOS 8.0 and above * Main features: Dynamic and static heart rate, blood pressure, Automatic sleeping monitor, information push, telephone synchronization, step, calories, distance, stopwatch, call reminders, message reminder, Sedentary reminder, alarm reminders, smart weather forecast * Language: English, German, Russian, French, Portuguese, Spanish, Italian, Hindi, Arabic, and other languages Specifications: * Chip: NR58122 microprocessor * Screen size: 0.96 inch oled 96 * 96 * Screen type: OLED * Waterproof level: IP54 * Bluetooth: Bluetooth 4.0BLE (low power) * Battery type: Polymer battery * Battery capacity: 70mAh * Charging time: about 2H * Life time: about 7-10 days * Charging mode: USB dedicated charging cable * Control mode: key control, mobile phone APP control * Blood pressure heart rate sensor * Compatible systems: Android 4.3 and above, iOS 8.0 and above * Features: dynamic and static heart rate, blood pressure, information push * Packing list: bracelet main body, wrist strap, charging line, instruction manual.