1.Widescreen 3G smart watch, 2.2 inch large screen, make the operation more convenient
2.SIM type: single nano SIM (not included, need buy it by yourself), Bluetooth: V4.0, System: Android 4.1
3.3G & WIFI & GPS Supported:3G:GSM (850,900,1800,1900) and WCDMA (900,2100), Built-in accurate GPS navigation.The DM98 smartwatch can independently make and receive phone calls, use the GPS map tracking, satellite positioning. With Voice assistant, GPS helps you to locate and determine the correct direction.