Phone function make phone call directly from the smart watch?? including answering and dial-up</br>Waterproof resistant</br>For iPhone?? it only supports partial functions including pedometer?? calendar?? call sync?? calculator?? clock?? stopwatch?? music player?? hands-free</br>4. 1.54"ve touch screen</br>5.Fitness watch -various health tracking app designed to monitoring the situation of your sleeping?? walking</br></br>Product Description</br></br>How to use:  1?? to use as a standalone smartwatch?? simply insert a sim card into the back of the watch.  2?? to use with your smartphone?? simply pair with the smartwatch via Bluetooth. (Only android ask download :Open the qr code device >scan it by the scanner >install the ask on your android smartphone?? iPhone doesn't need to download the ask).</br><br/>http://www.amazon.com/gp/product/B01N8VK4RQ>>http://