... WCDMA 900/2100MHz, GSM 850/900/1800/1900MHz, Support Phone Call, Message, Support Dual SIM Dual Standby etc4. ... 2100MHz2G Built-in GSM 850/900/1800/1900MHz, Support Phone Calling, Message, Support Dual SIM Dual Standby, ... 0, TF/Micro SD card reader, 3.5mm earphone jack, Mic jack, DC portTemperature 5°C ~ 35°C; Humidity: 20 ... inch Android 4.0 Smartphone Support 3G Phone Call 5 inch Android 4.0 Smartphone