GTS4 Calling Smart WatchThis smartwatch CPU is JQ7011, the Motherboard model is LJ736 and size is 29.8*14.39*0.8mm. Where have no GPS system. BT is 5.3+5.3 Dual-mode. Display of this smartwatch is 2.01 inch resolution is 240*285. this smartwatch have heart rate sensor. Charging mode is 2PIN magnetic. GTS4 smartwatch have Microphone and calling system. Basic Function of this smartwatch is NFC, Program dock, finger following, calendarThree rings of health、Heart Rate/Blood Pressure/Oxygen 、BT call、BT Music、ECG monitoring、Sleep monitoring、call reminder、SMS Alerts、Social APP Message Reminder、Alarm clock reminder、A sedentary reminder、sport、Turn the wrist and shine the screen、Looking for bracelets、Looking for Phones、Remote Photography、Do Not Disturb、Dial customization、Flight mode, common contacts, Siri, music control, weather, etc See More Smartwatch..