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