FTmall(TM)New SOS Gps Tracker Watch For Children+Watch Mobile Phone+Bluetooth+MP3 Player Watch Description:Primary Function: C5 GPS Positioning Children Watch Phone Network Frequency: 2G Network/GPRS, GSM850/900/1800/1900Mhz SIM Card: Single SIM card Watch Movement: import original Japan core with seven different colors to choose from FTmall is a registered trademark and is the only authorized seller of FTmall branded products, Only FTmall can provide you quality guarantee and good after sales service.