TOUCH SCREEN WATCH:3 Different Interface?? change display with smooth touch</br>INDEPENDENT PHONE:You can insert SIM card and memory card?? use as independent smart watch phone</br>BLUETOOTH SMART WATCH: Support hands-free calls/answer or Dial calling for Android/IOS through connect Bluetooth with smart phone</br>Bluetooth Synchronization: Twitter?? Facebook?? Wechat information remind; SMS remind; news?? system setting remind ( For Android phone)</br>MULTI-FUNCTION WATCH: Not only just Smart watch?? Also with Pedometer?? sleep monitoring?? Sedentary remind?? Phone calling remind?? Alarm clock?? Calendar?? stopwatch?? calculator?? camera remote control .etc functions</br></br>Product Description</br></br>Feature</b><br> <b>Phone function: </b> GSM/GPRS 850/900/1800/1900 the four frequency conversation <br> <b>USE AS A INDEPENDENT PHONE<b> - If put SIM card in the watch?? you can make phone call directly from the smart watch??including answering and dial-up. If not put SIM card?? you can " phone by bluetooth?? then you can make phone call?? including answering and dial-up<br><b>COMPATIBILITY<b> - Samsung?? HTC?? Sony?? LG?? HUAWEI?? ZTE?? OPPO?? XIAOMI??IPHONE.etc many kinds of smart phones.<br><b>HANDS-FREE PHONE CALL<b> -Dial & Answer the phone calls with this watch through Bluetooth??and Remote control your phone camera to taking a photo. it's unnecessary to pick up and holding your smartphone to do above thing<br> <b>BLUETOOTH SYNCHRONIZATION<b>: Twitter?? Facebook?? Wechat information remind; SMS remind; news?? system setting remind.( For Android phone)<br><b>MAIN FUNCTIONS<b> - It runs Facebook?? Twitter independently when you put SIM card and TF card in this watch. This watch Also have Pedometer?? alarm clo