... Dual Core SmartPhone 3G 2, Dual SIM Card 3, 3G 4, Android 4.1.1 5, 4GB HDD ... MTK 6577 Dual Core SmartPhone 3G GT-N7100 5.5 Inch 512MB 4G Wifi GPS Brand ... .0CameraDual CameraBack 5.0 mega pixel flash lightFront 0.3 pixel, supports Skype Video CallsSensorGravity Sensor, Proximity Sensor, ... .263, H.264, etc.AudioMP3, AAC, WAV, etc. / 3.5 mm Audio JackSpecial functionG-sensor, P-Sensor, L-Sensor ...