Advantage Build in 2G (GSM)Making 2G/call as mobile phone 
CPU: RK2928 Cortex-A9  1.2GHZ
OS: ANDROID4.1
Memory: 512MB
Storage Device: Nand Flash Standard  4GB(/8GB/16GB optional)
 Support: external TF card, maximum capacity of 32GB
Gravity: 360 degree gravity induction
LCD Size: 7",TFT LCD The capacitive touch screen 5 points
 PIXEL: 800*480
WIFI: 802.11b/g/n
2G: Build in 2G (GSM) @850/900/1800/1900 WITH DUAL CARDS
I/O portL TF cardX1 ,USB OTGx1, USB Host x 1  HDMI
 3.5mm steoro earphoneX1, 2 sim card slot
  DC5V Power inputX 1
Audio Format: MP3,WMA,MP2,OGG,AAC,M4A,MA4,FLAC,APE,3GP,WAV
Picture Format: JPG, JPEG, GIF, BMP, PNG
Video Format: (Support 1080P) AVI(H.264, DIVX, DIVX, XVID, rm, rmvb,  MKV(H.264, DIVX, DIVX, XVID), WMV, MOV, MP4(H.264, MPEG, DIVX, XVID), MPEG, MPG, FLV(H.263, H.264)
3D E-Reader: TXT, EPUB, PDF,WORD,EXCEL, POWERPOINTS
GPS/Bluetooth:YES  V2.1
Camera: 0.3MEGA(Front) / 2.0MEGA(Back)
Language: support multiple language,
Power adapter: INPUT:100-240VAC    OUTPUT:5.0V===2.0A
Battery: 3.7V/3000mAH rechargable battery,stand-by time: 5-10H,By Wifi  about 3.5H 
SIZE: 193.5*115*10.5MM
Weight: 420g