H19 Smart Watch 4G Android 10 System GPS WIFI SIM Card 1.95'' Large AMOLED Scree
Screen material AMOLED. sim card available Yes. 4G full Netcom, global call;. system Android OS. Smart Watch 1,Watch Bands 1,Charging Cable 1,Product Manuals 1. network mode 4G. The frequency bands supported by the watch.