smart watch gt08 clock sync notifier support sim tf card bluetooth connectivity android phone smartwatch alloy smartwatch

classic and customizable style,1.54; ips lcd 2.5d radian capacitive touch screen for easy operation.built-in sim card slot and tf card slot,support nfc functions and bluetooth connection it becomes a standalone watch phone with sim card inserted, working in 2g gsm 850/900/1800/1900 mhz network. you can send and read texts, make or receive calls on your watch.simply like a gsm cell phone. without sim card, it works as a cell phone companion,receiving and making calls, getting texts via bluetooth