9 inch Dual Core GSM Tablet pc Support 2G Sim card slot Phone call Tablet A23 1.2GHz Android 4.4 Dual Camera Bluetooth 512MB/8G(blue)

CPU allwinner A23 ( Dual core ) Cortex A7
Master frequency:1.2GHz
Display 9 inches Capactitive Touch screen; 5 point multi-touch, TFT /800*480
System Memory DDR3 512MB
Nandflash 8GB,TF card:Max.32GB
Sound System built in speaker(1x1w)
I/O Ports 1 pc of Micro 5 pin
1 pc of 3.5mm stereo earphone jack
1 pc of TF card slot
2 pc of Sim card slot?
Network WIFI LAN 802.11b/g/n
GSM:850/900/1800/1900MH,support HSPA+high speed 21M internet.
Bluetooth support voice calling by bluetooth 3.0
G-Sensor All gravity induction
0.3 Mega Pixels(front) and 2.0 Mega Pixles (back)?
Power Battery type Lithium-ion 4000mAh
In/Output Adapter input:AC100-240V 50-60Hz
output:5V 2A
GPS Support GPS Navigation(A-GPS)
O.S. Android 4.4