This watch is such fully functional just like a mobile phone 4G smart watch phone with two-way video calling feature, face to face video talk with your child anytime anywhere Built-in GPS, allowing you to know your childs location in time and view historical journeys, ensuring your childs safety It allows parents to communicate with their children at any time, making it easy to understand their childrens situation IPX7 waterproof, no worry getting wet when washing hands Specification Overall Sizenbsp236.643.615.1mm Include watch strap Weight 55g Material ABSPCsoft silicone Main Chipset ASR3603S GPS Chipset Built-in Operation system RTOS System Memory RAM 128MB ROM 196MB SIM Card Slot Nano SIM card slot Frequency Bands 4G FDD B1 B2 B3 B5 B7 B8 B20 4G TDD B38 B39 B40 B41 3G WCDMA B1 B2 B5 B8 2G GSM B2 B3 B5 B8 Location Mode GPSLBSWiFi GPS Location Precision 5-15m WIFI Location Precision 50-100m LBS Location Precision 100-1000m LTEGPS Antenna Internal Battery Built-in 700mAh polymer battery Cable Type Magnetic charging cable Display Screen 1.4 inch IPS color touch screen, 240240 pixels Physical Button Power button SOS Camera 0.3 megapixels Waterproof Level IPX7 APP Language Chinese Danish Dutch English French German Greek Hindi Hungarian Indonesian Italian Malay Pilipino Polish Portuguese Russian Spanish Swedish Thai Turkish Vietnamese Arabic Bulgarian Finnish Czech Romanian Hebrew Bosnian Persian Israeli Slovak Watch LanguagenbspChinese ,English, Russian, Spanish, Polish, DutchTurkish, Italian, French Functionsnbsp Location GPSLBSWIFI location, Geo-fence, Route playbacknbspnbsp Communication SOS, 2-way call, Voice message, Remote monitor, Video call, VoLTE Health Pedometer, Sleep monitornbsp nbsp nbsp nbsp nbsp nbsp nbsp nbsp nbsp nbsp nbsp nbsp nbsp nbsp nbsp nbsp nbsp nbsp nbsp Others No disturbing time, SMS alertsLow battery alertSOS alert, Remote shutdown, Alarm clock, Watch finder, Math game, Camera, Rewards, etc