gt08 bluetooth smart watch, sd card and sim card slot, phone, massage, suitable for ios iphone and android samsung, zte sony lg smartphone,

cell phone watch,smart watch, insert sim card and use as a regular cell phone sync to andriod or ios smart phone and use as a smartwatch via bluetooth ,but does not support wifi .beautiful 1.54" lcd capacitive touch screen with high resolution compatibility: all android and ios mobile phone & android tablet pc. android mobile phone: htc, sony, lg, huawei, zte, oppo, xiaomi, and so on. the app can' t be installed by ios system, can' t sync sms and bluetooth push information, but other functions