B. smart tablet 8 3g calling samsung

specification:

>        quad- core 1.3 ghz processor 

>        8.0" high resolution IPS display 

>        built- in 3g with calling function 

>        Android 4.4 kitkat 

>        GSM: 850/900/1800/1900 Mhz

>        WCDMA: 900/2100 MHZ 

>        wi-fi 

>        16gb rom + 1gb ram 

>        dual camera: 2MP + VGA