Bluetooth Synchronization:Twitter?? Facebook?? Wechat information remind; SMS remind; news?? system setting remind; View notifications from email?? SMS?? Caller and your favorite apps on your wrist.( For Android phone)</br>1.54"LCD 2.5D Radian capacitive Touch Screen 240*240 pixels?? OGS Laminating Process ??with 3 kinds styles watch face?? adjustable sweat-Proof band for easy operation. Built-in SIM card slot and TF card slot??Support functions and Bluetooth connection.</br>Function:Anti-lost?? Remote Capture??Health Management: Pedometer?? Sleep Monitor?? Sedentary Reminder??Calendar?? Audio and Vi"/br>Very convenient :Support hands-free calls/answer or Dial calling for Android/IOS.</br>It supports GSM/GPRS 850/900/1800/1900 MHz Network?? Make this watch be a real standalone Cell Phone.Enable to make a call or receive a call with a Gsm Sim Card inserted.</br></br>Product Description</br></br><b>Feature:</b><br> Phone function: GSM/GPRS 850/900/1800/1900 the four frequency conversation?? Call??hands-free?? phone records?? the phone book?? Bluetooth phone<br> Entertainment: MP3??MP4??AVI Local play?? The Bluetooth music playing<br> Phone calls reminding: The bell a